Clarke, Barry R Brain busters! : mind-stretching puzzles in math and logic Barry R. Clarke - Mineola, NY Dover Publications c2003 - iv, 107 : ill. ; 22 cm ISBN: 9780486427553 ISSN: 2003046068 Subjects--Topical Terms: Logic, Symbolic and mathematicalMathematical recreations Dewey Class. No.: 793.74 CLA