4 books in series
Extinction Cycle: Dark Age
Extinction Cycle: Dark Age is a 4-book series with 4 released primary works first released in 2019 with contributions by Nicholas Sansbury Smith and Anthony J. Melchiorri.
| #1 |  Extinction Shadow Extinction Shadow
| 3 | 1 read | ||
| #2 |  Extinction Inferno Extinction Inferno
| 3 | 1 read | ||
| #3 | Extinction Ashes Extinction Ashes
| 0 | 0 reads | ||
| #4 | Extinction Darkness Extinction Darkness
| 0 | 0 reads |