Hard Logic Puzzles & Brain Games for Adults: 500 Puzzles & 12 Puzzle Types by Khalid Alzamili
Activity Book For Kids: 400 Logic Puzzles (Sudoku, Fillomino, Minesweeper, Numbrix, Binary Puzzle) : 6-12 Ages (Logic Puzzles for Kids Series): Alzamili, Dr. Khalid: 9798622869273: Amazon.com: Books
Best Logic Puzzles: 500 Easy to Hard Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Sudoku X, ... Suguru, and Numbrix) by Dr. Khalid Alzamili
Binary Takuzu Puzzles - Home | Facebook
Baffling Binary Puzzles: 100 Logic Challenges for Sudoku Lovers - Harvard Book Store