Pipelink [PIPE-4-009P]
Example
Pipelink Puzzle Archive 
Similar Puzzle Books
1000 Path & Moving Logic Puzzles
US, CA; UK, DE, FR, ES, IT, other
Puzzles in this book: Hidato, Rect-Slider, Number Chain, Satogaeri, Nurimaze, Kaero, Hiroimono, Yajisan-Sokoban, Arrow Maze, and Tren.
