The longlist for the Samuel Johnson Prize for Nonfiction has been announced and includes Steve Silberman’s  NeuroTribes:The Legacy of Autism and the Future of Neurodiversity  (Avery).   The Samuel Johnson Prize for Nonfiction is the UK’s premier prize for nonfiction books. The prize aims to reward the best of nonfiction and is open to authors of all nonfiction books in the areas of current affairs, history, politics, science, sport, travel, biography, autobiography and the arts. The shortlist will be announced on October 11 at London’s Southbank Centre as part of the London Literature Festival. The winner of the 2015 Samuel Johnson Prize will be announced on November 2.