Problem solving through recreational mathematics

Revision	When	Who	Comment

13	December 1, 2020	MARC Bot	import existing book
12	October 10, 2020	ImportBot	import existing book
11	August 4, 2020	ImportBot	import existing book
10	July 6, 2019	MARC Bot	import existing book
9	July 6, 2019	MARC Bot	import existing book
8	January 10, 2019	MARC Bot	import existing book
7	November 6, 2017	maplesamaras	Added new cover
6	April 6, 2014	ImportBot	Added IA ID.
5	June 24, 2010	IdentifierBot	added LibraryThing ID
4	April 14, 2010	Open Library Bot	Linked existing covers to the edition.
3	April 1, 2010	bgimpertBot	Added goodreads ID.
2	October 31, 2008	ImportBot	add URIs from original MARC record
1	April 1, 2008		Imported from Scriblio MARC record.