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How Round Is Your Circle?

Where Engineering and Mathematics Meet

by John Bryant, Chris Sangwin ...

"Part magic show, part history lesson, and all about geometry, How Round Is Your Circle? is an eloquent testimonial to the authors' passion for numbers." — Civil EngineeringHow do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an engineer the answers can mean the difference between success and ... Read more

$23.09 USD or Free with Kobo Plus

"Part magic show, part history lesson, and all about geometry, How Round Is Your Circle? is an eloquent testimonial to the authors' passion for numbers." — Civil EngineeringHow do you draw a straight line? How do you determine if a circle is really round? These may sound like simple or even trivial mathematical problems, but to an engineer the answers can mean the difference between success and
... Read more
Computer Aided Assessment of Mathematics

by Chris Sangwin ...

Assessment is a key driver in mathematics education. This book examines computer aided assessment (CAA) of mathematics in which computer algebra systems (CAS) are used to establish the mathematical properties of expressions provided by students in response to questions. In order to automate such assessment, the relevant criteria must be encoded and, in articulating precisely the desired criteria, ... Read more

$63.99 USD

Assessment is a key driver in mathematics education. This book examines computer aided assessment (CAA) of mathematics in which computer algebra systems (CAS) are used to establish the mathematical properties of expressions provided by students in response to questions. In order to automate such assessment, the relevant criteria must be encoded and, in articulating precisely the desired criteria,
... Read more

Talking with Bears

Conversations with Charlie Russell

by G. A. Bradshaw ...

"Extraordinary . . . [this] series of true stories about the authentic nature of bears reveals them as the sensitive and intelligent beings they are." ―Carl Safina, New York Times– bestselling author of Becoming Wild and Beyond WordsGrizzly bears have long been feared as unpredictable and dangerous. But one man, Charlie Russell, was key in breaking do... ... Read more

$12.99 USD or Free with Kobo Plus

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"Extraordinary . . . [this] series of true stories about the authentic nature of bears reveals them as the sensitive and intelligent beings they are." ―Carl Safina, New York Times– bestselling author of Becoming Wild and Beyond WordsGrizzly bears have long been feared as unpredictable and dangerous. But one man, Charlie Russell, was key in breaking do...
... Read more

Also available as: Audiobook
Props: A History of Power in 7 Lessons

by Norm Coady ...

Are you nostalgic for simpler times? Do you miss your favorite history teacher, the one that gave you perspective and kept you laughing? Come back to class. Buy Props and let Norm Coady take you on a trip from Caesar to Kennedy, from Wittenberg to St. Petersburg.Learn how seashells led to the first global conflict. Discover how a piece of chalk laid the groundwork for totalitarianism. Follow an ... Read more

$6.99 USD

Are you nostalgic for simpler times? Do you miss your favorite history teacher, the one that gave you perspective and kept you laughing? Come back to class. Buy Props and let Norm Coady take you on a trip from Caesar to Kennedy, from Wittenberg to St. Petersburg.Learn how seashells led to the first global conflict. Discover how a piece of chalk laid the groundwork for totalitarianism. Follow an
... Read more
The Military History Book

by DK ...

Series series DK Big Ideas
Discover the key themes and big ideas behind the key events in the history of warfare—from the dawn of civilization to the 21st century.Tracing the epic 5,000-year story of warfare from the earliest battles to the War on Terror, The Military History Book explores and explains the causes and consequences of each, offering a new angle on military history. Entries analyze the key social and political ... Read more

$10.99 USD

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Discover the key themes and big ideas behind the key events in the history of warfare—from the dawn of civilization to the 21st century.Tracing the epic 5,000-year story of warfare from the earliest battles to the War on Terror, The Military History Book explores and explains the causes and consequences of each, offering a new angle on military history. Entries analyze the key social and political
... Read more

Also available as: Audiobook
Secret History of Christmas Baking

Recipes & Stories from Tomb Offerings to Gingerbread Boys

by Linda Raedisch ...

Explore the surprising—and sometimes dark—origins of beloved holiday bakes."A whirlwind tour of the . . . always colorful backstories of ingredients, recipes, methods, and madnesses that flavor our most beloved holiday treats."―Caren Gussoff Sumption, contributing writer for Krampusnacht: Twelve Nights of KrampusSpice up your season by rolling, molding, and kneading your way through the world's ... Read more

$18.99 USD or Free with Kobo Plus

Explore the surprising—and sometimes dark—origins of beloved holiday bakes."A whirlwind tour of the . . . always colorful backstories of ingredients, recipes, methods, and madnesses that flavor our most beloved holiday treats."―Caren Gussoff Sumption, contributing writer for Krampusnacht: Twelve Nights of KrampusSpice up your season by rolling, molding, and kneading your way through the world's
... Read more
The World According to Color

A Cultural History

by James Fox ...

A kaleidoscopic exploration that traverses history, literature, art, and science to reveal humans' unique and vibrant relationship with color.We have an extraordinary connection to color—we give it meanings, associations, and properties that last millennia and span cultures, continents, and languages. In The World According to Color, James Fox takes seven elemental colors—black, red, yellow, blue, ... Read more

$18.79 USD

A kaleidoscopic exploration that traverses history, literature, art, and science to reveal humans' unique and vibrant relationship with color.We have an extraordinary connection to color—we give it meanings, associations, and properties that last millennia and span cultures, continents, and languages. In The World According to Color, James Fox takes seven elemental colors—black, red, yellow, blue,
... Read more
Just Visiting This Planet, Revised and Updated for the Twenty-First Century

Further Scientific Adventures of Merlin from Omniscia

by Neil deGrasse Tyson ...

From Neil deGrasse Tyson, #1 New York Times bestselling author of Astrophysics for People in a Hurry, comes a spirited journey to the planets and stars, revealing the answers to many mysteries of our galaxy and beyond.In this companion volume to Merlin’s Tour of the Universe, we visit again with Merlin, a timeless traveler from Planet Omniscia, who answers a collection of imaginative questions ... Read more

$10.69 USD or Free with Kobo Plus

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From Neil deGrasse Tyson, #1 New York Times bestselling author of Astrophysics for People in a Hurry, comes a spirited journey to the planets and stars, revealing the answers to many mysteries of our galaxy and beyond.In this companion volume to Merlin’s Tour of the Universe, we visit again with Merlin, a timeless traveler from Planet Omniscia, who answers a collection of imaginative questions
... Read more

Also available as: Audiobook
Ghosts of Hiroshima

by Charles Pellegrino ...

A NEW YORK TIMES AND USA TODAY BESTSELLERSOON TO BE A MAJOR MOTION PICTURE FROM ACADEMY AWARD–WINNING FILMMAKER JAMES CAMERON“Not since Titanic have I found a powerful, heartbreaking, and inspiring real-life story as found in Ghosts of Hiroshima by Charles Pellegrino. This is an amazing book and a film I am excited to direct.”—James CameronFrom the acclaimed New York T... ... Read more

$10.69 USD or Free with Kobo Plus

Also available as: Audiobook

A NEW YORK TIMES AND USA TODAY BESTSELLERSOON TO BE A MAJOR MOTION PICTURE FROM ACADEMY AWARD–WINNING FILMMAKER JAMES CAMERON“Not since Titanic have I found a powerful, heartbreaking, and inspiring real-life story as found in Ghosts of Hiroshima by Charles Pellegrino. This is an amazing book and a film I am excited to direct.”—James CameronFrom the acclaimed New York T...
... Read more

Also available as: Audiobook
Exploration Map by Map

From Migrations and Encounters to Voyages and Discoveries

by DK ...

Series series DK History Map by Map
Discover the epic history of human exploration and migration, and the stories of fearless pioneers the world over, with this stunning tour of history - map by map.Charting everything from the movement of early Homo species out of Africa some 1.8 million years ago to the astonishing voyages of Polynesian sailors across the Pacific from 4,000 BCE, and from the California Gold Rush to the Race for ... Read more

$14.99 USD

Discover the epic history of human exploration and migration, and the stories of fearless pioneers the world over, with this stunning tour of history - map by map.Charting everything from the movement of early Homo species out of Africa some 1.8 million years ago to the astonishing voyages of Polynesian sailors across the Pacific from 4,000 BCE, and from the California Gold Rush to the Race for
... Read more
Catan

The Novel

by Klaus Teuber ...

Series Book 1 - The Catan Series
Written by the award-winning creator of the global board game sensation, Catan is a new adventure perfect for longtime fans and new readers alike.Norway, 860.Half-brothers Thorolf, Yngvi, and Digur have conspired to help Asla—daughter of Halldor, a powerful Viking chieftain—to escape her father’s oppressive rule. However, when they are discovered the chieftain’s revenge is swift and mighty. ... Read more

$6.99 USD or Free with Kobo Plus

Also available as: Audiobook

Written by the award-winning creator of the global board game sensation, Catan is a new adventure perfect for longtime fans and new readers alike.Norway, 860.Half-brothers Thorolf, Yngvi, and Digur have conspired to help Asla—daughter of Halldor, a powerful Viking chieftain—to escape her father’s oppressive rule. However, when they are discovered the chieftain’s revenge is swift and mighty.
... Read more

Also available as: Audiobook
Obsessed with the Best

100+ Methodically Perfected Recipes Based on 20+ Head-to-Head Tests

by Ella Quittner ...

Named a Best Cookbook of 2026 by Bon Appétit and Food & WineAs featured in the New York Times, New York Magazine, Bon Appetit, Food & Wine, CN Traveler, Gourmet, The Today Show, LitHub, and more.A charmingly obsessive, thoroughly tested exploration of the best ways to cook and bake your favorite foods.Some might think the “best... ... Read more

Was $19.99 USD Now $17.99 USD

Named a Best Cookbook of 2026 by Bon Appétit and Food & WineAs featured in the New York Times, New York Magazine, Bon Appetit, Food & Wine, CN Traveler, Gourmet, The Today Show, LitHub, and more.A charmingly obsessive, thoroughly tested exploration of the best ways to cook and bake your favorite foods.Some might think the “best...
... Read more

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How Round Is Your Circle?

Computer Aided Assessment of Mathematics

People who read these also enjoyed

Talking with Bears

Props: A History of Power in 7 Lessons

The Military History Book

Secret History of Christmas Baking

The World According to Color

Just Visiting This Planet, Revised and Updated for the Twenty-First Century

Ghosts of Hiroshima

Exploration Map by Map

Catan

Obsessed with the Best

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