The Moscow Puzzles: 359 Mathematical Recreations (Dover Math Games & Puzzles)

My Best Mathematical and Logic Puzzles (Dover Recreational Math)

The Stanford Mathematics Problem Book: With Hints and Solutions (Dover Books on Mathematics)

Fifty Challenging Problems in Probability with Solutions (Dover Books on Mathematics)

Of Course! The Greatest Collection Of Riddles & Brain Teasers For Expanding Your Mind

Martin Gardner's Science Magic: Tricks and Puzzles (Dover Magic Books)

How to Solve It: A New Aspect of Mathematical Method (Princeton Science Library)

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

Entertaining Science Experiments with Everyday Objects (Dover Children's Science Books)

The Ultimate Puzzle Book: Mazes, Brain Teasers, Logic Puzzles, Math Problems, Visual Exercises, Word Games, and More!

The Great Book of Riddles: 250 Magnificent Riddles, Puzzles and Brain Teasers (The Great Books Series 1)