Kanjo [KNJO-1-006P]
Similar Puzzle Books
1000 Loop Logic Puzzles – Collection I
US, CA; UK, IE, DE, FR, BE, ES, IT, NL, PL, SE; JP, AU 
This book has ten different loop logic puzzles: Masyu, Country Road, Kanjo, Koburin, Every Second Turn, Double Back, Geradeweg, Scrin, Balance Loop, and Entry Exit.
