On October 7, 2014, Perry released his autobiography Rocks: My Life in and Out of Aerosmith, co-written by David Ritz [REF].
Since 2015, Joe Perry has worked with Alice Cooper and Johnny Depp on the side project Hollywood Vampires, which released their eponymous debut album in September 2015 and performed at the 58th Grammy Awards on February 15, 2016 [REF].