Why does he do that?

Revision	When	Who	Comment

13	January 5, 2023	MARC Bot	import existing book
12	December 19, 2022	MARC Bot	import existing book
11	October 4, 2021	ImportBot	import existing book
10	July 15, 2019	MARC Bot	import existing book
9	September 1, 2018	ImportBot	import new book
8	December 20, 2011	ImportBot	import new book
7	August 18, 2010	IdentifierBot	added LibraryThing ID
6	April 24, 2010	Open Library Bot	Fixed duplicate goodreads IDs.
5	April 16, 2010	bgimpertBot	Added goodreads ID.
4	December 15, 2009	WorkBot	link works
3	June 10, 2009	ImportBot	Found a matching record from harvard_bibliographic_metadata .
2	April 25, 2009	ImportBot	add OCLC number
1	October 23, 2008	ImportBot	Imported from Oregon Libraries MARC record.