Crime author Peter May had planned to never write another book until he watched in horror as world leaders reneged on promises to tackle climate change.
The bestselling author, who has sold more than 12million books, became so angry over the failure of Cop26 that he started writing a futuristic thriller set in a Scotland ravaged by environmental disaster.
Peter, 71, who has written the acclaimed Lewis Trilogy, The Blackhouse, The Lewis Man and The Chessmen, said: "The more I learned, the more alarmed I became. I realised it was something I needed to write about.