About the Book and AuthorPuzzle lovers, rejoice Welcome, I have a challenge for you, Here is The World's Hardest Puzzle Book for you. You find in this book 100 harddest puzzles from 20 categories. All of which are our own design and production. All are unique, mixed, colorred illustrated, different figure, different size and easy rules and easy to understand and with two levels of difficulty. hard und very hard.Our mixed puzzles fun and very useful for all. This book is ideal gift for anyone who loves puzzlesAs a puzzle author, Mehmet Esabil Yurdakul, produces unique puzzles over a period of 20 years. He has published 13 books (9 paperbacks and 4 e-books) Now enjoy our puzzles Mehmet Esabil Yurdakul Contact for Answers: esabily@gmail.com
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