The Lost Key: A Mystery with Whole Numbers (Manga Maths Mysteries)

Paperback

ISBN: 978-0-7613-5390-4

ISBN-10: 0-7613-5390-9

See also (possibly by other authors):
2010	Paperback	The Lost Key: A Mystery with Whole Numbers (Manga Math Mysteries)
2009	Library Binding	The Lost Key: A Mystery with Whole Numbers (Manga Math Mysteries)