2002 - Brainstrains Power Puzzles 240 Mindblowing Challenges (Paperback) ISBN-13: 9781402701948 ISBN-10: 1402701942 Genre: Humor & Entertainment 6 1997 - Challenging False Logic Puzzles (Paperback) ISBN-13: 9780806997209 ISBN-10: 0806997206 Genre: Humor & Entertainment 2 1997 - False Logic Puzzles (Paperback) ISBN-13: 9780806998046 ISBN-10: 0806998040 Genre: Humor & Entertainment 4 1994 - Amazing Logic Puzzles (Paperback) ISBN-13: 9780806905648 ISBN-10: 0806905646 Genre: Humor & Entertainment 2 |