The Book of the Earth (also known as Book of Aker and the Creation of the Solar Disc) is an important Ancient Egyptian funerary text of the New Kingdom and later.
- Roberson, Joshua (2007). The Book of the Earth: A Study of Ancient Egyptian Symbol-Systems and the Evolution of New Kingdom Cosmographic Models. PhD dissertation, University of Pennsylvania. UMI.
- Hornung, Erik (1999) (in German). The Ancient Egyptian Books of the Afterlife. David Lorton (translator). Cornell University Press.
- Piankoff, Alexandre (1953) (in French). La création du disque solaire. IFAO.