We all played tag when we were kids. What most of us don't realize is that this simple chase game is in fact an application of pursuit theory, and that the same principles of games like tag, dodgeball, and hide-and-seek are also at play in military strategy, high-seas chases by the Coast Guard, and even romantic pursuits. In Chases and Escapes, Paul Nahin gives us the first complete history of this fascinating area of mathematics, from its classical analytical beginnings to the present day. Drawing on game theory, geometry, linear algebra, target-tracking algorithms, and much more, Nahin also offers an array of challenging puzzles with their historical background and broader applications. Chases and Escapes includes solutions to all problems and provides computer programs that readers can use for their own cutting-edge analysis. Now with a gripping new preface on how the Enola Gay escaped the shock wave from the atomic bomb dropped on Hiroshima, this book will appeal to anyone interested in the mathematics that underlie pursuit and evasion. Some images inside the book are unavailable due to digital copyright restrictions.

A classic escape nightmare, Chasing Homer is sped on not only by Krasznahorkai’s signature velocity, but also by a unique musical score and intense illustrations In this thrilling chase narrative, a hunted being escapes certain death at breakneck speed—careening through Europe, heading blindly South. Faster and faster, escaping the assassins, our protagonist flies forward, blending into crowds, adjusting to terrains, hopping on and off ferries, always desperately trying to stay a step ahead of certain death: the past did not exist, only what was current existed—a prisoner of the instant, rushing into this instant, an instant that had no continuation … Krasznahorkai—celebrated for the exhilarating energy of his prose—outdoes himself in Chasing Homer. And this unique collaboration boasts beautiful full-color paintings by Max Neumann and—reaching out of the book proper—the wildly percussive music of Szilveszter Miklós scored for each chapter (to be accessed by the reader via QR codes).

Get ready to run . . . an edge-of-your-seat thriller with bite from international bestselling author Linwood Barclay, in his first novel for 9-12 year olds. Chipper is a very special dog. As part of a top-secret, multi-million dollar experiment to create the ultimate canine spy technology, Chipper's whole life has been spent within the walls of a secret organization known only as The Institute. Chipper is supposed to be more machine than mutt, but something's wrong and The Institute knows it. He's about to be terminated. Across the state, twelve-year-old orphan Jeff Conway is working all hours at his aunt Flo's lakeside cabin business. He misses his parents, his old life, and the dog he had to leave behind. When Chipper escapes and his and Jeff's paths collide, dog and boy find themselves tangled up in the most dangerous game of chase imaginable... Winner of the Arthur Ellis award for Best Kid's Crime Novel Danger, secrets and thrilling suspense in Linwood Barclay's action-packed first novel for children.

Three brothers run away from home to live like Robin Hood and his merry men, deep in the forest of Brendon Chase. They make their camp in an ancient oak tree and live like outlaws, loving the dangers and excitements of their wild surroundings. Their aim is never to be caught - but how can they avoid all the people who are searching for them, including the police?

#1 New York Times bestselling detective Billy Harney of The Black Book is chasing down a billionaire crime boss and a prison escape artist while a young girl's life hangs in the balance. As Chicago PD's special-ops leader, Detective Billy Harney knows well that money is not the only valuable currency. The filthy rich man he's investigating is down to his last twenty million. He's also being held in jail. For now. Billy's unit is called in when an escape plan results in officers down and inmates vanished. In an empty lot, Billy spots two Kevlar vests. Two helmets. Two assault rifles. And a handwritten note: Hi, Billy Are you having fun yet?

The Calculus of Friendship is the story of an extraordinary connection between a teacher and a student, as chronicled through more than thirty years of letters between them. What makes their relationship unique is that it is based almost entirely on a shared love of calculus. For them, calculus is more than a branch of mathematics; it is a game they love playing together, a constant when all else is in flux. The teacher goes from the prime of his career to retirement, competes in whitewater kayaking at the international level, and loses a son. The student matures from high school math whiz to Ivy League professor, suffers the sudden death of a parent, and blunders into a marriage destined to fail. Yet through it all they take refuge in the haven of calculus--until a day comes when calculus is no longer enough. Like calculus itself, The Calculus of Friendship is an exploration of change. It's about the transformation that takes place in a student's heart, as he and his teacher reverse roles, as they age, as they are buffeted by life itself. Written by a renowned teacher and communicator of mathematics, The Calculus of Friendship is warm, intimate, and deeply moving. The most inspiring ideas of calculus, differential equations, and chaos theory are explained through metaphors, images, and anecdotes in a way that all readers will find beautiful, and even poignant. Math enthusiasts, from high school students to professionals, will delight in the offbeat problems and lucid explanations in the letters. For anyone whose life has been changed by a mentor, The Calculus of Friendship will be an unforgettable journey.

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