Devolution: A Firsthand Account of the Rainier Sasquatch Massacre is a fiction book by American author Max Brooks set in the Pacific Northwest. It chronicles the story of a small, isolated community of technologically-dependent city dwellers who suddenly are cut off from the rest of the world after a volcanic eruption. In addition to lacking outdoor survival skills and resources, they find themselves under siege by a clan of Bigfoot. The book was optioned by Legendary Entertainment to become a film, around the same time the book began to be sold to the public in June 2020. Source: Wikipedia (en)