A type of book, usually fiction or semi-fictional, that bleeds many genres together, making it difficult to define.
"The Vaults of Lore books are written from the autobiographical standpoint of a space alien from a fantasy world, but set in Earth's real history with guest star appearances from famous figures mixed with a lot of conspiracy and religious themes: a real genre-buster!"
by VinnfordSansbury August 23, 2020