Four sons of Horus Thoth, the god of wisdom and knowledge, and also the baboons which chatter when the sun rises raising their hands as if in worship. The jackal (or possibly dog) is linked to Anubis and the act of embalming and also Wepwawet the "opener of the ways" who seeks out the paths of the dead. The hawk is associated with Horus himself and also Seker the mummified necropolis god. Imseti, the human, may be linked to Osiris himself or Onuris the hunter. The Egyptians themselves linked them with the ancient kings of Lower and Upper Egypt, the Souls of Pe and
The Book of Souls as well as "The Wicker Man" and "Out of the Silent Planet" singles covers. According to bassist Steve Harris, the cover art ties in with the title track, as the depiction of the band's mascot, Eddie, is based on the Maya civilization, who "believe that souls live on [after death]". To check the accuracy of the artwork, the band hired Mayanist scholar Simon Martin, who also translated the song titles into hieroglyphs. According to Martin, although the civilisation had no Book of Souls, "the Mayans are very big on souls ... So as a title, it's appropriate to Mayan culture,