Various artwork was used in the web site and book cover design.

 

Website

Rain forest background (modified) Copyright: / 123RF Stock Photo

Tree frog verticle Copyright: / 123RF Stock Photo

Tree frog horizontal Copyright: / 123RF Stock Photo

 

Book covers

Zombies Anonymous

Zombie title font: 'Zombie control' by Dan Zadorozny www.iconian.com

Silhouette of men Bibanesi 

Evolution by Dimitar Marinov

Zombie silhouette by  Reno Martin

 

Bugged

Sad sitting man Copyright: / 123RF Stock Photo

 

The rise of the unread

Skull Copyright:  / 123RF Stock Photo