Classic Brainteasers - Paperback By Gardner, Martin - VERY GOOD

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

Aha! Insight - Paperback By Martin Gardner - GOOD

Mind-Boggling Word Puzzles (Dover - Paperback, by Gardner Martin - Very Good

Entertaining Mathematical Puzzles - Paperback By Gardner, Martin - VERY GOOD

Classic Brainteasers - Paperback By Gardner, Martin - GOOD

Classic Brainteasers - Paperback, by Gardner Martin - Very Good

The Wreck of the Titanic Foretold - Paperback By Gardner, Martin - VERY GOOD