This category only contains Gardnerian Book of Shadow's. The B.O.S.'s in here are only Gardnerian related and contain principally Gardnerian contents. A book of shadows is a book which the Gardnerian Wiccan keeps all of what is special to then in. Like spells, rituals, laws, and history. These books are made by the person themselves and are most comonly kept secret but can be shared.