According to his wife Linda, he had begun compiling his memoirs soon after his diagnosis with cancer. The Associated Press quotes:
"It is a really powerful book because his whole life has gone before him and he knows it's going to come to an end, and he really needs to tell everybody what he's feeling inside, so that's what makes it so amazing," she added later. "That is the biggest, most powerful thing, writing a book when you know you're dying."You can read the full AP article here. Fun fact: Apparently Henry Rollins had his hand in putting this book together.