ISBN 161519522X books & textbook
The Original Area Mazes, Volume Two: 100 More Addictive Puzzles to Solve with Simple Math―and Clever Logic!
Inaba, Naoki Murakami, Ryoichi
The Experiment /2018-10-30 Paperback / 160 Pages
isbn-10: 161519522X / isbn-13: 9781615195220