176 books • 24 series
Book #7: Logic Puzzles for Adults & Seniors
Book #9: Brain Workouts
Book #12: Variety Logic Puzzles
Book #16: 500 Variety Logic Puzzles
Book #2: The Giant Book of Jigsaw Sudoku
Book #4: The Giant Book of Battleships
Book #6: The Giant Book of Suguru
Book #11: The Giant Book of Binary Puzzle
Book #16: The Giant Book of Kakuro
Book #1: Battleship Puzzle Book
Book #3: Samurai Sudoku Puzzle Book
Book #6: Killer Sudoku Puzzle Book
Book #7: Sudoku X Puzzle Book
Book #8: 500 Sudoku Puzzle Book
Book #2: Word Search With Hidden Message
Book #1: 2021 Jigsaw Sudoku
Book #3: 2021 Calcudoku
Book #4: 2021 Suguru
Book #5: 2021 Sudoku
Book #6: 2021 Kakuro
Book #1: Fitness für dein Gehirn
Book #2: Fitness für dein Gehirn
Book #2: Fitness for your brain
Book #5: Activity Book
Book #7: Logic Puzzles for Adults & Seniors
Book #8: Samurai Sudoku for Adults & Seniors
Book #14: Slitherlink Logic Puzzles
Book #19: Jigsaw Samurai Sudoku Adult Puzzle Book
Book #2: Samurai Sudoku
Book #3: Kakuro
Book #5: Masyu
Book #7: Minesweeper
Book #11: Suguru (Number Blocks)
Book #1: Fillomino for Adults and Seniors
Book #3: Samurai Sudoku
Book #4: Flower Sudoku for Adults & Seniors
Book #5: Kakuro
Book #15: Jigsaw Sudoku
Book #16: Sudoku X
Book #17: Kakuro (Cross Sums)
Book #19: Numbrix
Book #27: Big Book of Jigsaw Sudoku X
Book #1: Sudoku for Smart Kids
Book #2: Fillomino For Smart Kids
Book #3: Kakuro For Smart Kids
Book #4: Hitori For Smart Kids
Book #5: Futoshiki For Smart Kids
Book #2: Minesweeper Adult Puzzle Book
Book #1: Binary Puzzle
Book #2: Minesweeper Puzzle Book
Book #3: Numbrix Puzzle Book
Book #4: Battleship
Book #5: Suguru Puzzle Book