$17.00 hardcover.

A is for "abacus," B is for "binary," C is for "cubit" and W is for "When are we ever gonna use this stuff, anyway?" A wonder-filled romp through the world of mathematics. Hardcover. Ages 8-13. (Tricycle)

• Smithsonian Notable Book for Children
• ALA Notable Book
• Children's Booksellers Choice

A teacher guide for this book is available as a free download from the publisher, Ten Speed Press.