The Magnamund Companion is an encyclopedia about the world of Lone Wolf by Joe Dever. The book has been out of print for many years and is very rare. It is the most comprehensive source of information on the mythos of the Lone Wolf book series.
Project Aon[]
Since the book has gone out of print, as have many of the Lone Wolf series, Joe Dever has given exclusive right to Project Aon to digitise the book and place it online for free download.