Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

"In 2010, award-winning professor Steven Strogatz wrote a series for the New York Times online called "The Elements of Math." It was hugely popular: Each piece climbed the most emailed list and elicited hundreds of comments. Readers begged for more, and Strogatz has now delivered. In this fun, fast-paced book, he offers us all a second chance at math. Each short chapter of The Joy of X provides an "Aha!" moment, starting with why numbers are helpful,...

On Sunday, Mr. Jenkins welcomes one pig into his pool, and as the week progresses, the number of pigs in his pool increases exponentially, too.

"All the Math You'll Ever Need, Third Edition is a practical, accessible guide that helps readers understand mathematical concepts that directly apply to daily life tasks. From learning to calculate monthly mortgage payments and time to pay off a credit card balance, this book helps readers understand how and why mathematical concepts work. This revised edition will reflect recent changes in rates, prices, and wages. It will also incorporate information...

In a book for those who dislike mathematics, an alien explains the many areas in which math is used, including baking, music, navigation, and measurements.

Explains mathematics from counting to calculus in the light of man's changing social achievements. "Taking only the most elementary knowledge for granted, Lancelot Hogben leads readers of this famous book through the whole course from simple arithmetic to calculus. His illuminating explanation is addressed to the person who wants to understand the place of mathematics in modern civilization but who has been intimidated by its supposed difficulty....