Featuring 400 Sudoku puzzles, this book contains challenges, levels of difficulty, and varieties of number-placement (and letter-placement) puzzles. It also contains step-by-step instructions, tips and killer strategies from the founder of the Internationa
Featuring 400 Sudoku puzzles, this book contains challenges, levels of difficulty, and varieties of number-placement (and letter-placement) puzzles. I...
Nathan Haselbauer presents a varied collection of over 500 mind-bending puzzles to enable readers to find out just how clever they are. It includes maths, logic and word puzzles ranging from the straightforward to the fiendishly difficult.
Nathan Haselbauer presents a varied collection of over 500 mind-bending puzzles to enable readers to find out just how clever they are. It includes ma...
