Peter R. Cromwell

title	media type	ISBN-13	year of publication
Knots and Links	Paperback	978-0-521-54831-1	2004
Knots and Links	Hardcover	978-0-521-83947-1	2004
Polyhedra	Paperback	978-0-521-66405-9	2008
Polyhedra	Hardcover	978-0-521-55432-9	1997