by Conceptis Puzzles
Paperback
details (USA).
(see also: Spiral-bound)
details (UK).
(see also: Spiral-bound)
details (Germany).
(see also: Spiralbindung)
details (Canada).
(see also: Spiral-bound)
ISBN: 978-1-4027-8223-7
ISBN-10: 1-4027-8223-3
Puzzlewright Press · 2012