“Nikoli Puzzle Book Reprint Edition Sudoku 1”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Sudoku Vol.22”. This volume contains 100 puzzles.

“Slitherlink for Beginners”
This book is an introduction to Slitherlink.
Slitherlink is a puzzle created in “Puzzle Communication Nikoli”.
By solving very easy problems, you will learn how to solve Slitherlink.

“Tentsunagi (Dot to Dot) Collection 2”
This book contains about 100 Tentsunagi (Dot to Dot) puzzles.

“Sudoku Communication Vol.45”
This book contains about 120 well-crafted sudoku problems. Also, some extra problems and columns.

“Have a Ball with Pencil Puzzles —Double Choco 1”
This book contains about 90 Double Choco puzzles, ranging from easy to hard.

“Sudoku & Logic Puzzles for Home Vol.6”
“Sudoku & Logic Puzzles for Home Vol.6” contains about 100 puzzles, mainly Sudoku and Logic Puzzle.

“Puzzle Box Vol.15”
It contains 66 kinds of pencil puzzles, including some Japanese word puzzles.

“Have a Ball with Pencil Puzzles—Akari 1”
This book contains over 90 Akari puzzles, ranging from easy to hard.

“Puzzle Communication Nikoli Vol.183”
Nikoli is the most advanced pencil puzzle magazine in Japan. The first issue was published in August, 1980.

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