Raven Grimassi books in order
12 books in the catalogue, about 62 hours of reading in all; the shortest takes 3 hours and the longest 9 hours.
12 standalone books in the catalogue.
Standalone books
Ways of the Strega 5.2 h 
Wiccan Mysteries 5.5 h 
Hereditary Witchcraft 4.6 h 
Encyclopedia Of Wicca & Witchcraft 9.1 h 
Beltane 3.0 h 
Witches' Craft 5.7 h 
Spirit Of The Witch 5.3 h 
The Witch's Familiar 3.5 h 
Witchcraft 5.3 h 
Crafting Wiccan Traditions 4.9 h 
Cauldron of Memory 4.3 h 
The Witches Book Of The Dead 5.3 h