Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book wi
Take control of your mental workout with Mindworks Brain Training puzzle books! Unlike other puzzle collections, these books are designed by teams of experts to
A Classroom-Tested, Alternative Approach to Teaching Math for Liberal Arts Puzzles, Paradoxes, and Problem Solving: An Introduction to Mathematical Thinking use
Take control of your mental workout with Mindworks Brain Training puzzle books! Unlike other puzzle collections, these books are designed by teams of experts to