“Tappuri Suiri Puzzle (Logic Puzzle)”
This book contains over 50 logic puzzles. The contents of this book are in Japanese, so be prepared.

“Puzzle x Riddle: Challenge from the Riddlers’ Club”
“Puzzle x Riddle: Challenge from the Riddlers’ Club” contains over 40 puzzles that need a spark of inspiration and logical thinking. Knowledge of Japanese is necessary to solve puzzles in this book.

“Sudoku for Absolute Beginners”
This book contains very basic explanations of Sudoku, along with over 30 beginner-friendly Sudoku puzzles.

“Masterpiece selection of “Slitherlink for the very best” Vol.1”
This book contains over 100 challenging Slitherlink puzzles carefully selected from previous editions.

“Masterpiece selection of “Kakuro for the very best” Vol.1”
This book contains over 100 challenging kakuro puzzles carefully selected from previous editions.

“Sudoku Communication Vol.50”
This is a biannual Sudoku magazine with over 100 puzzles ranging from easy to hard. It also has a few puzzles other than Sudoku and articles related to Sudoku.

“Sudoku & Logic Puzzles for Home Vol.11”
“Sudoku & Logic Puzzles for Home Vol.11” contains about 80 puzzles, mainly Sudoku and Logic Puzzle.

“Puzzle the Giants Vol.39”
This is the 2026 edition of the annual book of giant-size puzzles. This issue contains over 30 types of puzzles, about 100 in total. Please note that some of the puzzles are in Japanese.

“Nankan(Hard)Sudoku 18”
“Nankan (Hard) Sudoku” contains 105 sudoku puzzles.

“ChoGekikara (Really really hard) Sudoku 18”
“Cho-Gekikara (Really, really hard) Sudoku” contains 91 sudoku puzzles.