: A technical series (Volumes 1–3) that functions as a textbook for studying sigil magic.
: It distinguishes between "Mental Sigils" (used to reprogram the brain or alter consciousness) and "Physical Sigils" (used to amplify abilities or enhance rituals). Visual Examples of Sigils and Grimoires The Book of Sigils
: A sourcebook for the Castle Falkenstein steampunk roleplaying game. : A technical series (Volumes 1–3) that functions