MY WONDERFUL WORLD OF SLAPSTICK was Buster Keaton's autobiography. It's available online ( link is at the bottom of the page ), but here are a couple of pages I've referred to before on this blog.
Here, Buster Keaton tells about going over to talk to Roland West on his boat ( the Joyita ),
and on this page, Buster Keaton says he thinks that SPEAK EASILY is the best movie that he and Jimmy Durante made together.
MY WONDERFUL WORLD OF SLAPSTICK: