Deletion of 13 (Armstrong novel)

Comment: meets  and  ie. 2 or more reviews from |reliable sources.  Also, i know library holdings aren't used for notability but WorldCat has it held in over 900 libraries, pretty good for the final book in such a large series
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG||WP:NBOOK||WP:RS)