The Grand Grimoire is a dark magic book appeared in the TV series Sleepy Hollow which first belonged to John Dee, whom according to to Ichabod, was a student of the occult. In 21st century Sleepy Hollow, the Grand Grimoire is one of the artifacts that will be auctioned in the Claridge Auction House. A 17th century warlock named Solomon Kent steals it and tries to activate its powers, only to fail as the Grand Grimoire is missing some pages. The Grimoire's current whereabout is unknown, but it is assumed to be locked deep in August Corbin's Archive for safety.