William Peter Blatty Legion

Tor Books

Legion: A Novel from the Author of The Exorcist (English Edition)

Tor Nightfire

Legion: 2                                        

Legion by William Peter Blatty (2011-02-01)      

Transworld Digital

The Exorcist: Quite possibly the most terrifying novel ever written . . . (English Edition)

L'esorcista III                                  

Rizzoli

Redenzione                                      

Cemetery Dance Publications

Fate and The Exorcist: An In-depth Interview with William Peter Blatty (English Edition)

Mondadori

Gemini killer                                    

Faber & Faber

The Exorcist & Legion                            

Forge Books

Dimiter (English Edition)