Rectangles is a pure logic challenge for serious thinkers.

Also known as Shikaku, this elegant puzzle asks you to divide a grid into perfect rectangles - each containing exactly one number, and each matching that number's area.

Simple rules. Powerful reasoning.

Inside this volume, you'll train your brain to:

Analyze spatial relationships
Think in factor pairs
Eliminate impossibilities
Manage limited space
Solve with precision - not guessing

Every puzzle is carefully constructed to provide a satisfying logical path to the solution. No tricks. No randomness. Just clean deduction.

Whether you are new to Rectangles or already a seasoned solver, this collection is designed to strengthen your structured thinking skills while delivering hours of focused, satisfying challenge.

If you enjoy Sudoku, Shikaku, Numbrix, or other grid-based logic puzzles, Rectangles will quickly become a new favorite.

Great Puzzle Books - where logic gets sharper.