In March 2018, Breakdown Press published a new edition of the book, updated to reflect modern science relating to evolution. The updated version also features new artwork for some of the animals, created by Dixon himself. The release of the new edition was celebrated with an event hosted at Conway Hall in London on 11 September that same year, which included a joint talk with Dixon and British paleontologist and science writer Darren Naish. The event also included showcases of original sketches and models and a showing of the Japanese stop-motion adaptation of "After Man".