Survivors: The Empty City and A Hidden Enemy

From Author Wars - https://authorwars.com/books/survivors-the-empty-city-and-a-hidden-enemy-1711217.html

Overview:

Title: Survivors: The Empty City and A Hidden Enemy
Author: Gillian Philip
Year: 2014
Type: Omnibuses
Series: Survivors (Erin Hunter)

Variant Titles:

2014. Survivors: The Empty City and A Hidden Enemy

Genres/Themes: