Timothy Ferguson
Timothy Ferguson is one of the most prolific authors of Ars Magica books. He is author or co-author of the following:
Fifth Edition Books by Timothy Ferguson
- Houses of Hermes: True Lineages (with Erik Dahl, Matt Ryan, and David Woods)
- Mystery Cults (with Erik Dahl, Matt Ryan, and Mark Shirley)
- Covenants (with Mark Shirley, Andrew Smith, and Neil Taylor)
- Realms of Power: the Infernal (with Erik Dahl and Mark Shirley)
- City and Gild (with Richard Love, Matt Ryan, and Sheila Thomas)
- Ancient Magic (with Erik Dahl, Jeff Kyer, Richard Love, John Post, Paul Tevis, and Alexander White)
- Houses of Hermes: Societates (with Erik Dahl, Andrew Gronosky, John Post, Mark Shirley, and Nick Simmonds)
- The Lion and the Lily (with Richard Love, Christian Jensen Romer, Mark Shirley, Andrew Smith, Paul Tevis, and Sheila Thomas)
- Realms of Power: Magic (with Erik Dahl, Andrew Gronosky, Richard Love, John Post, Mark Shirley, Andrew Smith, and Sheila Thomas)
- Hedge Magic: Revised Edition (with Erik Dahl, Richard Love, and John Post)
- Realms of Power Faerie (with Erik Dahl and Mark Shirley)