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Uma abordagem de matemática para diversos concursos, direto ao ponto, ou seja, sem ser muito formal, porém com pontos importantes para o entendimento da teoria em conjuntos e geometria, não deixando

Simple secrets. Timeless wealth. Financial wisdom that still works today.In The Richest Man in Babylon, George Samuel Clason shares powerful financial lessons through engaging parables set in ancient Babylon. With easy-to-understand stories, the book reveals practical principles for saving, investing, and building lasting wealthno matter your income level.From managing money wisely to creating multiple sources of income, these timeless teachings offer a clear path toward financial independence and security. The books simplicity and effectiveness have made it a trusted guide for generations of readers seeking financial growth.Widely regarded as a cornerstone of personal finance literature, this classic continues to inspire individuals to take control of their money and build a prosperous future."A practical and inspiring guide that turns financial wisdom into everyday action."Start your journey toward financial freedom today.Scroll up and get your copy now to unlock the secrets of lasting wealth.

What would a perfect world truly look like?In A Modern Utopia, H. G. Wells imagines an ideal society built on reason, order, and progress. Through a journey into a parallel world, the novel explores how humanity might organize itself to achieve harmony, equality, and intellectual advancement.Blending storytelling with deep philosophical insight, Wells examines social structures, governance, and human natureraising thought-provoking questions about freedom, responsibility, and the limits of perfection. Rather than offering simple answers, the book invites readers to reflect on what a better world could be.A remarkable work within science fiction and social philosophy, A Modern Utopia remains a fascinating and relevant exploration of idealism and human potential."A visionary and thought-provoking novel that challenges the way we imagine society."Explore a world shaped by ideas and possibilities.Scroll up and get your copy today to discover the brilliance of A Modern Utopia.

A game of chance. A life on the edge. A story driven by obsession.In The Gambler, Fyodor Dostoevsky dives into the intense world of risk, addiction, and emotional turmoil. Set in a European resort town, the story follows a young man entangled in love, financial desperation, and the irresistible lure of gambling.As fortunes rise and fall, the novel captures the thrill and danger of chance, revealing how obsession can consume reason and reshape destiny. Through sharp psychological insight and fast-paced storytelling, Dostoevsky explores the fragile line between control and chaos.A compelling work of Russian literature, The Gambler remains a powerful exploration of human weakness, desire, and the consequences of living on the edge."A tense and fascinating story that reveals the psychology of risk and obsession."Take a chance on a story that keeps you hooked.Scroll up and get your copy today to experience the intensity of The Gambler.

What if becoming a ghost was harder than it sounds?In The Story of the Inexperienced Ghost, H. G. Wells delivers a witty and imaginative supernatural tale about a ghost who is unexpectedly new to the afterlifeand completely unsure how to behave. Instead of being terrifying, he turns out to be uncertain, awkward, and far from the traditional idea of a haunting spirit.Blending humor with the supernatural, Wells explores themes of identity, fear, and the expectations placed on both the living and the dead. The story offers a playful twist on ghost fiction while still reflecting deeper ideas about perception and self-awareness.A charming and lesser-known work in early speculative fiction, this story showcases Wellss versatility beyond his more famous science fiction novels."A clever and entertaining ghost story with a surprising touch of humor and humanity."Step into a ghost story unlike any other.Scroll up and get your copy today to experience The Story of the Inexperienced Ghost.

Leale con gli amici. Sempre lanima della festa. Irresistibile con le donne.Questo direbbero di me, e avrebbero ragione. Vivo a tutto gas, e mi piace cosi. Ultimamente, pero, ce una fastidiosa vocina che mi dice che non mi basta. Che voglio qualcosa di diverso, qualcosa di piu.Non puo essere colpa della dea misteriosa con cui ho condiviso una notte indimenticabile.Oppure si?Quando Emmett Young rientra in scena nella mia vita, la risposta e proprio davanti a me. In carne e ossa.Piu sfuggente che mai.Ecco che ritrovo lenergia per buttarmi nella sfida. Questa volta, pero, sono ancora piu determinato a vincere.

DescriptionSophie Grant has always been the invisible one the girl whose name no one remembers, who gets left behind at parties, who crushes quietly on a boy so far out of her league its almost funny.When she overhears herself described as "too plain to bother with," something snaps.Not into tears. Into determination.Over the next few years, Sophie makes a silent decision: she will outwork her limitations in academics, in discipline, in every quiet, unglamorous way. She will become someone people cant look past.What she doesnt expect is that the person who finally sees her for who she really is has been watching all along.Unordinary is a warmhearted coming-of-age story about the long, stubborn, deeply satisfying work of becoming your best self and the unexpected people waiting at the finish line.

Livro que comemora os 40 anos de lançamento da pedra fundamental da Unicamp. O mandarim é escrito em estilo jornalístico. Uma história que narra o legado de Zeferino Vaz, sem retoques, nos turbulentos anos iniciais de sua principal criaço, a Unicamp, e como um grupo de homens idealistas sobreviveu as batalhas da epoca chamada anos de chumbo

In an age where tweets can shift alliances and memes can spark revolutions, information itself has become the most contested battlefield. Information Wars exposes the hidden architecture behind todays propaganda machines, tracing their evolution from Cold War psy-ops to digital-age disinformation campaigns. From cultural manipulation to algorithmic persuasion, it reveals how narratives are crafted not only to inform, but to divide, rally, and control. This book invites readers to look beyond headlines and hashtags to understand how every story, post, or image can serve as a strategic instrument of influence. A compelling exploration of power, perception, and the fragile boundaries between truth and manipulation in the 21st century.

Since 9/11, the Middle East has become a laboratory of indirect conflict where state rivals fight through militias, insurgent movements, and sectarian networks rather than open armies. This book traces the rise of proxy wars from Afghanistan and Iraq to Syria, Yemen, and Gaza, showing how governments arm, fund, and direct local nonstate actors to shape battlefield outcomes while preserving plausible deniability.Drawing on modern history, contemporary conflict analysis, and frontline reporting, it unpacks how Iranianbacked Hezbollah and Kataib Hezbollah, U.S.supported Iraqi and Syrian opposition groups, Gulffunded Islamist factions, and others turned tribal militias and religious movements into standing politicalmilitary forces. Instead of dry theory, it focuses on the lived realities of militants, their communities, and the civilians caught between sponsors and local agendas.Readers will gain a grounded understanding of how proxy relationships form, how they break down, and why they keep reshaping the Middle Easts balance of powerwithout promises of easy solutions or "fixes."

In the digital shadows of information warfare, bots flood feeds with artificial consensus, trolls erode trust through relentless provocation, and deepfakes blur reality with fabricated faces. This exploration uncovers their psychological mechanics, from amplifying doubt to exploiting innate fears of isolation. Readers gain insight into these modern influence weapons, recognizing their subtle toll on perception and community without promises of mastery.

This collection of four original short storiesHow to Bargain with a Raincloud, Papercuts, The Cat Who Knew Too Much Calculus, and The Geometry of a Family Treeinvites Brazilian Portuguese language learners to explore a rich tapestry of traditional Brazilian storytelling.Written at an intermediate (B1B2) level, each story balances accessible language with engaging storytelling, allowing readers to enjoy the plot while naturally expanding vocabulary and grammar skills. Immerse yourself in vivid characters, intricate family histories, mysterious cats, and quiet towns hiding secrets, all while strengthening your language skills.Text in Portuguese and English.

The conventional understanding of addiction focuses on long-term tolerance and the agonizing symptoms of physical withdrawal after days of abstinence. But the true hook of addiction occurs in a fraction of a second. This is the Chaser Mechanismthe intense, immediate, and overwhelmingly powerful compulsion to consume a second dose the exact moment the effects of the first dose begin to fade.When a substance artificially spikes dopamine levels, the brain immediately counteracts the surge by shutting down its own natural dopamine production to maintain balance (homeostasis). As the drug wears off, the user is not just returning to baseline; they are plunging into an artificial, chemically induced deficit. The brain panics at this sudden neurological void, screaming for another hit not to feel "high," but simply to escape the agonizing micro-withdrawal.This book breaks down the brutal arithmetic of the reward pathway. We explore how this mechanism drives binge drinking, chain-smoking, and endless doomscrolling, focusing on the critical window of vulnerability that opens just minutes after a reward is processed.Understand the math of your own compulsions. Learn how the brains desperate attempt to maintain chemical balance is the very trap that guarantees a binge.

During the height of the Cold War paranoia, the United States Strategic Air Command kept nuclear-armed bombers in the sky constantly. It was a strategy fraught with the risk of human error. In February 1958, an F-86 fighter jet accidentally collided with a B-47 bomber during a training mission off the coast of Georgia.To safely land his severely damaged bomber, the pilot was forced to jettison his payload into the shallow, muddy waters of the Wassaw Sound near Tybee Island. That payload was a 7,600-pound Mark 15 thermonuclear bomb. Despite a massive, frantic, months-long search by Navy divers using sonar and dragging cables through the swamps, the weapon was never found. It remains buried in the silt to this day.This book investigates the terrifying logistics of the militarys "Broken Arrow" incidents. We analyze the controversial, heavily redacted government reports regarding whether the lost bomb contained a fully active plutonium capsule capable of a nuclear detonation, or just conventional explosives.Explore one of the greatest unsolved mysteries of the atomic age. A chilling reminder that the U.S. government permanently lost a weapon of mass destruction in a popular fishing spot.

Wars do not always begin with gunfire. Often, they start with trade. This book investigates how economic coercionthrough sanctions, boycotts, and embargoeshas served as both a weapon and a provocation throughout history. From the naval blockades of the 19th century to oil embargoes and modern financial restrictions, "Sanctions, Boycotts and Embargoes" traces how pressure meant to prevent conflict can instead escalate it. Drawing on diplomatic archives, case studies, and economic data, it reveals how nations interpret financial measures as threats to sovereignty, prompting retaliation rather than restraint. The book exposes the thin line between deterrence and provocation, showing that economic warfare often reshapes alliances, destabilizes regions, and sets the stage for open conflict. It is a measured study of how money, not arms, can ignite global crises.

Around 1600 BCE, the Minoan civilization on the island of Crete was the undisputed superpower of the Mediterranean. They possessed multi-story palaces, a massive merchant fleet, and a complex written language. Then, a neighboring island completely detonated. The Minoan Eruption of Thera (modern-day Santorini) was one of the most violent volcanic events in the geological history of the Earth.This book explores the apocalyptic eradication of the first great European maritime empire. The eruption blew the center of the island into the stratosphere, plunging the region into darkness and generating a catastrophic mega-tsunami. Waves towering over a hundred feet high slammed into the northern coast of Crete, instantly pulverizing the Minoan naval fleet and salting their agricultural fields, crippling the empire so severely that it fell to Mycenaean invaders shortly after.We trace the deep underwater archaeological evidence mapping the ash fall across the Mediterranean. The narrative also examines the compelling geological theory that this specific, violent disappearance of an advanced island civilization birthed the legendary myth of Atlantis.Witness the sudden collapse of antiquity. Discover how a single volcanic explosion permanently altered the trajectory of Western civilization.

In the very early days of video games, a characters running speed was strictly tied to how fast the computers processor could draw frames. If the computer was fast, the game played like a fast-forwarded movie. If it was slow, the game moved in slow motion. To fix this fatal flaw, software engineers developed a foundational piece of mathematical logic: Delta Time.Delta Time completely decouples a games physics calculations from its framerate. Instead of moving a character "five pixels per frame," the game engine calculates the exact fraction of a second that has passed since the last frame was drawn, and multiplies the movement speed by that exact time difference.This educational guide breaks down the elegant code that ensures a bullet travels at the exact same physical speed whether the players hardware is rendering the game at a struggling 30 frames per second or a blazing 120 frames per second.Master the laws of digital time. Discover the invisible, ticking mathematical clock that prevents the speed of a virtual world from being hijacked by the hardware running it.

Ideas can inspireor destroy.In The Possessed (also known as Demons), Fyodor Dostoevsky delivers a powerful and unsettling exploration of political radicalism, moral decay, and the dangerous power of ideas. Set in a provincial town, the story follows a group of individuals whose beliefs spiral into manipulation, unrest, and chaos.As tensions rise and loyalties fracture, Dostoevsky reveals how ideology, when taken to extremes, can unravel both society and the human soul. Through intense psychological depth and gripping narrative, the novel examines the consequences of ambition, rebellion, and loss of moral grounding.A landmark work in Russian literature, The Possessed remains strikingly relevantoffering a chilling reflection on society, power, and human vulnerability."A bold and haunting novel that exposes the destructive force of unchecked ideas."Step into a world where beliefs ignite chaos and consequences are inevitable.Scroll up and get your copy today to experience the intensity of The Possessed.

Ce un momento, nella vita, in cui si ha la sensazione di essere partiti nel modo sbagliato, di aver preso slancio prima del tempo. È da qui che nasce "Falsa partenza", uno dei romanzi piu acuti e sorprendentemente moderni di Alfred Capus. Al centro della storia, la famiglia Desclos: un padre che ha trasformato il proprio fallimento in una filosofia sprezzante, una madre paziente e tenace, e tre figli che cercano, ciascuno a modo suo, un posto nel mondo. Georges, brillante e calcolatore, costruisce la propria ascesa grazie alla ricchezza del migliore amico; Edmond, disordinato, sensibile e istintivo, scopre per caso la propria vocazione, e infine Marguerite, figura indimenticabile, lucida, ironica, refrattaria a ogni convenzione, che non si lascia sedurre dalla vita mondana. Quando sposa Pierre Rongier, un giovane ricco e malinconico, Marguerite capisce di essersi mossa troppo in fretta, lasciandosi trascinare in un ambiente che non sente suo. Senza drammi, senza gesti teatrali, sceglie di fare un passo indietro e rimettersi in gioco. In questo intreccio di slanci, errori e ripensamenti, Capus costruisce un romanzo che osserva i personaggi con uno sguardo preciso, quasi analitico, e insieme con una leggerezza che non rinuncia alla comprensione. La sua ironia - incisiva e rivelatrice - li illumina dallinterno e mostra come le illusioni, le ambizioni e le piccole vilta appartengano, senza eccezioni, alla natura umana. "Falsa partenza" e soprattutto un romanzo di donne. In unepoca in cui la narrativa le confinava spesso in ruoli secondari o decorativi, Capus affida loro uno sguardo lucido, una capacita di giudizio e una liberta di scelta che sorprendono ancora oggi. È lui a delineare, tra Marguerite e Helene, una delle rappresentazioni piu significative dellamicizia di fine Ottocento: non una semplice complicita, ma un legame piu complesso, fondato sul riconoscimento reciproco di chi ha scelto di vivere in modo autentico. Questa edizione propone per la prima volta il testo integrale, con le illustrazioni originali di Leonetto Cappiello, come nelledizione francese del 1902.

What if humanitys first journey to the Moon revealed an entirely new world?In The First Men in the Moon, H. G. Wells tells the extraordinary story of an unexpected voyage beyond Earth. When two men travel to the Moon using an incredible invention, they discover a hidden lunar civilization unlike anything imaginedcomplex, strange, and deeply thought-provoking.Blending adventure with imagination, Wells explores themes of exploration, scientific ambition, and the consequences of encountering unknown worlds. The novel captures both the excitement of discovery and the unsettling questions it raises about humanitys place in the universe.A landmark work in science fiction, this novel helped shape modern space exploration fiction and continues to inspire readers with its bold vision and inventive storytelling."A thrilling and imaginative journey that redefines what it means to explore the unknown."Prepare for an unforgettable voyage beyond Earth.Scroll up and get your copy today to experience The First Men in the Moon.