The Book of Earths (1928) by Edna Kenton is a richly illustrated compendium exploring humanity's evolving, imaginative, and often bizarre theories regarding the shape and nature of the Earth. It compiles cosmogonies from ancient cultures—including Egyptian, Babylonian, Hindu, and Aztec—alongside historical and, at the time, modern alternative theories like the pear-shaped or hollow Earth, showcasing how humanity has visualized its home through the ages. The Book of Earths is primarily a compilation of cosmic models and "Earth Mysteries," exploring how humanity's view of its planet has changed and transformed over time.