“Tentsunagi (Dot to Dot) Special”
This book contains over 50 puzzles where you connect the dots in the order of the numbers to create a picture.

“Sudoku & Logic Puzzles for Home Vol.12”
“Sudoku & Logic Puzzles for Home Vol.12” contains about 80 puzzles, mainly Sudoku and Logic Puzzle.

“Otegaru Kakuro”
This book contains 60 Kakuro puzzles ranging from easy to medium.
All the included puzzles are reprints from “KAKURO (Large letters — clear & easy)”.

“Nankan(Hard)Sudoku 19”
“Nankan (Hard) Sudoku” contains 105 sudoku puzzles.

“Puzzle Communication Nikoli Vol.195”
Nikoli is the most advanced pencil puzzle magazine in Japan. The first issue was published in August, 1980.

“Cho (Super) Puzzle Box”
It contains about 60 kinds of pencil puzzles, including some Japanese word puzzles.

“ChoGekikara (Really really hard) Sudoku 19”
“ChoGekikara (Really really hard) Sudoku” contains 91 sudoku puzzles.

“Medium Sudoku Best Selection 2”
This book contains 116 Sudoku puzzles, all of medium difficulty.
These puzzles were published in the NIKOLI “Sudoku Communication” and have been re-edited with the excellent results published here.

“Have a Ball with Pencil Puzzles—Slitherlink for expert6”
This book contains over 90 Slitherlink puzzles for experts.

“Just Right! Sudoku (a bit hard) 6”
This book contains 105 Sudoku puzzles, most of which are of medium difficulty.