“Nikoli Puzzle Book Reprint Edition Kakuro 3”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Kakuro Vol.12”. This volume contains 92 puzzles.

“Gekikara (Super Hard) Sudoku Best Selection 1”
This book contains more than 100 Sudoku puzzles, which are of the hard difficulty level.
These puzzles were published in the NIKOLI “Gekikara (Super Hard) Sudoku” series and have been re-edited with the excellent results published here.

“Puzzle Communication Nikoli Vol.190”
Nikoli is the most advanced pencil puzzle magazine in Japan. The first issue was published in August, 1980.

“A Book of Word Puzzles for Preschoolers”
This book is for preschool children to enjoy puzzling with language.

“A Book of Number Puzzles for Preschoolers”
This book is for preschool children to enjoy puzzles using numbers.

“Sudoku Communication Vol.48”
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.

“Nikoli Puzzle Book Reprint Edition Slitherlink 3”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Slitherlink Vol.12”. This volume contains 96 puzzles.

“Puzzle the Giants Vol.38”
This is the 2025 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.

“Sudoku & Logic Puzzles for Home Vol.9”
“Sudoku & Logic Puzzles for Home Vol.9” contains about 80 puzzles, mainly Sudoku and Logic Puzzle.