Classic Brainteasers - Paperback By Gardner, Martin - GOOD

Aha! Insight - Paperback, by Gardner Martin - Acceptable

Aha! Insight Paperback Martin Gardner

Science: Good, Bad, and Bogus - Paperback By Gardner, Martin - GOOD

Aha! Insight Paperback Martin Gardner

Colossal Book of Wordplay - Paperback By Gardner, Martin - GOOD

Science: Good, Bad, and Bogus - Paperback By Gardner, Martin - VERY GOOD

Entertaining Mathematical Puzzles - Paperback By Gardner, Martin - GOOD