To enhance your experience with this series, you could use a designed specifically for post-apocalyptic fiction:

: A visual theme for your EPUB reader that uses sepia tones and weathered textures to match the series' gritty, western aesthetic. Availability & Series Details

: An in-book encyclopedia that provides instant background on the alien invaders and the various survivor factions mentioned in the text.

The Sheriff: Sheriff Duke, Book 1 - Audiobook by M.R. Forbes