Spiral-bound
details (USA).(see also: Spiral-bound)
details (United Kingdom).(see also: Spiral-bound)
details (Germany).(see also: Spiralbindung)
details (Canada).(see also: Spiral-bound)
ISBN: 978-1-4027-7304-4
ISBN-10: 1-4027-7304-8
Puzzlewright · 2010