backlist

Short definition from Wiktionary

Noun

1. 1
   A list of older books available from a publisher, as opposed to the frontlist of more recent titles.
2. 2
   Expected to achieve years of adequate sales while on a backlist, and to be profitable on that basis, even if predicted not to sell in huge numbers when new.

Verb

1. 1
   To hold back a student's application (to a college etc.) based on whether a preferred candidate declines their offer.
2. 2
   To place (a book) on a backlist.