12 books in series

Survivors Universe

Survivors Universe is a 15-book series with 12 released primary works first released in 2012 with contributions by Erin Hunter.

Alpha's Tale
Survivors
Survivors: Moon's Choice
The Empty City
A Hidden Enemy
Darkness Falls
The Broken Path
The Endless Lake
Storm of Dogs
A Pack Divided
Dead of Night
Into the Shadows
Red Moon Rising
The Exile's Journey
The Final Battle