Book of the Earth. The earth god Aker represented as a double sphinx between the personifications of the entrance and exit of the realm of the dead. Above him is the solar boat with the sun god with a ram's head. Below is the solar disc and the resurrection of the sun's body lying on the ground. It represents both Osiris and Ra. Twelve stars and twelve discs emerge from the solar disc. On either side are two figures of Osiris.