So You Think You've Got Problems?: Surprising and rewarding puzzles to sharpen your mind

The Canterbury Puzzles and Other Curious Problems

The Language Lover’s Puzzle Book: Lexical perplexities and cracking conundrums from across the globe

The GCHQ Puzzle Book: Perfect for anyone who likes a good headscratcher

Alex Through the Looking-Glass: How Life Reflects Numbers, and Numbers Reflect Life

The Moscow Puzzles: 359 Mathematical Recreations

Alex's Adventures in Numberland: Dispatches from the Wonderful World of Mathematics

My Best Mathematical and Logic Puzzles

Think Twice: Simple puzzles (almost) everyone gets wrong

How to Solve It: A New Aspect of Mathematical Method

536 Puzzles and Curious Problems

Logically Fallacious: The Ultimate Collection of Over 300 Logical Fallacies (Academic Edition)

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

Short Tricks of Math

How to Solve a Rubik's Cube: The Easy Solution to The Rubik's Cube, A Beginner's Guide to Solving This Puzzle, Quick and Easily! (3x3 Cube) (Rubix) (2nd Edition)

Fast Math: Learn the Secrets of Mental Math: By Using Vedic Math and Other Math Tricks to Perform Mental Calculations from Multiplication to Percentages without Calculators

Chinese Chess: An Introduction to China's Ancient Game of Strategy

An Illustrated Book of Bad Arguments: Learn the Lost Art of Making Sense (Bad Arguments)

Multiagent Systems: Algorithmic, Game-Theoretic, and Logical Foundations