Moore, Gareth, 1975- Train the brain : use it or lose it : exercises, tests and puzzles to keep your brain super-fit / [Gareth Moore]. - London : Michael O'Mara, 2008. - 190 p. : ill. ; 30 cm. Paperback. ISBN: 9781843173052 (pbk) Subjects--Topical Terms: Puzzles.Mental discipline. Dewey Class. No.: 793.73