Are you a genius? This book features 96 full-page Japanese logic puzzles, eight each of 12 different types, to test your solving skills. Even seasoned sudoku ex

Finally, there's a compendium of all the wicked puzzles from Nikoli! For millions of fans worldwide, that's big news. Nikoli, publisher of Japan's very first pu

Have fun while you expand your powers of deductive reasoning! Every one of these puzzles calls for conclusions based only on the information provided; the answe

The Big Logic Puzzle Extravaganza for Gifted & Talented Children (Ages 9 and up) - A compilation of logic puzzles to challenge and improve children's problem so

Have fun while you expand your powers of deductive reasoning! Every one of these puzzles calls for conclusions based only on the information provided; the answe