Tác giả: James F. Fixx

John Fixx is headmaster of The Country School in Madison, Connecticut. Things that Aren”t is the precursor to his father”s three collections of puzzles: Games for the Super-Intelligent (illustrated by Mary Durling), More Games for the Super-Intelligent, and Solve It! His experience and insight guiding the K-8 population as headmaster at various schools bring a fresh new tone to children”s literature.