Download or read book IQ Boosters written by Steve Ryan and published by Sterling Publishing Company, Inc.. This book was released on 2009 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: These puzzles will test solvers' powers of logic, reasoning, ingenuity, and wordplay. Flex your mental muscle with some of the toughest nuts to crack, including Geometracts, a visually vexing boggler, as well as Tic-Tac-Topology, a strategy game for two players. There are also lost, hidden, and missing-number conundrums that add up to loads of brain-stretching fun.