Forever Undecided

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)

To Mock a Mocking Bird

Brain Training And Brain Games for Memory Improvement: Concentration and Memory Improvement Strategies with Mind Mapping: Concentration and Memory Improvement Strategies with Mind Mapping

Birds, Bees & Blossoms: A step-by-step guide to botanical and animal watercolour painting

A Beginner's Guide to Mathematical Logic

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

My Best Mathematical and Logic Puzzles

The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs

Cracking Codes and Cryptograms For Dummies

Reflections: The Magic, Music And Mathematics Of Raymond Smullyan

How to Win Life's Championship: A Practical Guide to Success and Fulfillment

A Beginner's Further Guide To Mathematical Logic

First-Order Logic

Art of Drawing Animals From Egg Shapes

Logical Labyrinths

Shogi Japan's Game of Strategy