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

Balance Quest is a numeric progression puzzle consisting of a set of rectangles arranged within a hierarchical grid. Some of the rectangles contain positive or

More number-based logic puzzles than you can count! The Puzzle Baron returns with a new kind of challenge: number logic puzzles. You'll discover a variety of pu

The "Serious Leisure Perspective" (SLP) is a theoretical framework that can help us understand the complexities of modern leisure as both an activity and an exp