Necronomicon, Book of Dead Names (Necro - Dead, Nom - Name, Icon - Book) is ancient egyptian book about funerals, death and underworld.
It contained the rituals of burial and prayers for example to avoid
torment (like eating
Later it was used by writer
H.P. Lovecraft in conjunction with his Cthulhu-mythos thus
giving occult meaning to it. This connection is, however