Mark Shirley

Mark Shirley is one of the most prolific authors of ArM5 supplements. Works to which he's contributed include:

Fifth Edition Books by Mark Shirley

• Guardians of the Forest (with Andrew Smith)
• Covenants (with Timothy Ferguson,

Andrew Smith, and Neil Taylor)

• Mystery Cults (with Erik Dahl, Timothy Ferguson, and Matt Ryan)
• Realms of Power Infernal (with Erik Dahl and Timothy Ferguson)
• Houses of Hermes Societates (with Erik Dahl, Timothy Ferguson, Andrew Gronosky, John Post, and Nick Simmonds)
• Lion and the Lily (with Timothy Ferguson, Richard Love, Christian Jensen Romer, Andrew Smith, Paul Tevis, Sheila Thomas)
• Art and Academe (with Matt Ryan)
• Realms of Power Magic (with Erik Dahl, Timothy Ferguson, Andrew Gronosky, Richard Love, John Post, Andrew Smith, and Sheila Thomas)
• Realms of Power Faerie (with Erik Dahl and Timothy Ferguson)

Fourth Edition Books by Mark Shirley

• Land of Fire and Ice (with David Woods)