2 books in series

Encyclopaedia of Hell

Encyclopaedia of Hell is a 2-book series with 2 released primary works first released in 2011 with contributions by Martin Olson.

Encyclopaedia of Hell: An Invasion Manual For Demons Concerning the Planet Earth and the Human Race Which Infests It
Encyclopaedia of Hell II: The Conquest of Heaven: A Demonic History of the Future Concerning the Celestial Realm and the Angelic Race Which Infests It