The World's Most Challenging Puzzles
Description
To solve the world's most challenging puzzles take on all 102 of these stumpers. "YA. There is mental entertainment, magic, math, and more in this collection of classic tricks and problems."-- "SLJ. 128 pages, 100 illus., 5 3/8 x 8 1/4. - from Amzon
ISBN(s)
0806967315, 9780806967318
