4 books in series
Keeper
Keeper is a 4-book series with 4 released primary works first released in 2005 with contributions by Sarah Langan and Kristine Williams.
| #1 |  The Keeper
| 4 | 6 reads | ||
| #2 |  Madness Madness
| 4 | 1 read | ||
| #3 |  Tools of Extinction
| 5 | 1 read | ||
| #4 |  Sha'erah
| 5 | 1 read |