Yoshigahara, Nobuyuki (NOB)
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Author's books
- IQ suupaa pazuru. (IQ super puzzles)
- KARAKURI; Akio Kamei's art works
- Kisou tenga pazuru. (Extreme curious puzzle callenging to you)
- Pazuru wu tukuru. (Do-it -yourself puzzlebook)
- PUZZLART
- Puzzle for 365 days
- Puzzle in wood, designs from puzzland Hikimi
- Puzzles A to Z
- Report on the sixth Hikimi Puzzle Competition