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New York Public Library Books for the Teen Age
WINNER 2007

“A great introduction to the wonder of numbers, from two superb teachers.” —Brian Greene, author of *The Elegant Universe *

“A magical mystery tour of mental mathematics! Fascinating and fun.” —Joseph Gallian, president of the Mathematical Association of America

“The clearest, simplest, most entertaining, and best book yet on the art of calculating in your head.” —Martin Gardner, author of *Mathematical Magic Show* and *Mathematical Carnival*

“This book can teach you mental math skills that will surprise you and your friends. Better, you will have fun and have valuable practical tools inside your head.” —Dr. Edward O. Thorp, mathematician and author of *Beat the Deale*r and* Beat the Market*

Paperback

Published by Three Rivers Press

Aug 08, 2006
| 304 Pages
| 5-3/16 x 8
| ISBN 9780307338402

Ebook

Published by Three Rivers Press

Jun 03, 2008
| 224 Pages
| ISBN 9780307347466