A Beginner's Guide to Mathematical Logic

The Magic Garden Of George B And Other Logic Puzzles

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

Forever Undecided

A Beginner's Further Guide To Mathematical Logic

Reflections: The Magic, Music And Mathematics Of Raymond Smullyan

To Mock a Mocking Bird

Satan, Cantor, And Infinity And Other Mind-bogglin

Logical Labyrinths

Who Knows?: A Study of Religious Consciousness

The Riddle of Scheherazade: And Other Amazing Puzzles, Ancient and Modern

The Tao Is Silent

Theory of Formal Systems

Four Lives: A Celebration of Raymond Smullyan