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Updated Version The Puzzles and the solution sections were updated and revised. Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the Challenging logic puzzles. This Puzzle Book has 9 different types of logic puzzles (Total 38
Keep your mind young and your memory sharp with 450 Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your memory sharper and your mind younger. There are 5 different types of puzzles in this book, Jigsa
Challenge your brain and have a fun time with the challenging Nonogram puzzles. This Book has 60+ Nonogram Puzzles in multiple levels of complexity mostly Medium and Hard levels (see the pictures on the cover and the back of the book). Clues for the puzzl
Improve Your Mental Focus, Boost Your Brain Powers and enjoy your time solving the Challenging Tridoku or triangle sudoku puzzles. Sudoku games have been scientifically proven to improve mental focus, sharpen the memory as well as protecting the brain fro
Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1300+ Sudoku Puzzles combined in 100+ Super Samurai Sudoku Puzzles with Solutions of all the puzzles. Why you'
Challenge your brain and have a fun time with challenging Slitherlink or Loop-the-Loop puzzles. This Book has 100 large grid (20x25) Slitherlink in five levels of difficulty from medium to hard. Answers of all the puzzles are included at the end of the bo
Challenge your brain and have a fun time with the challenging Hashi / Bridges puzzles. This Book has 150 Huge Hashi / Bridges Puzzles (20x20, 25x25, and 30x30 grids). Answers of all the puzzles are included at the end of the book. What are the basics to s
Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1625 Sudoku Puzzles combined in 125 Super Samurai Sudoku Puzzles with Solutions of all the puzzles. Why you'l