"Siskel and Ebert at the Movies"

NEW YORK – Roger Ebert's next book won't just be about movies.

The film critic and profilic Twitter user is writing a memoir. It will cover everything from his battle with thyroid cancer to his friendship with Gene Siskel, his fellow critic and "Siskel and Ebert at the Movies" co-host who died in 1999.

Grand Central Publishing executive editor Mitch Hoffman said Friday that the currently untitled book has a tentative release date of fall 2011. Ebert's previous works include "Roger Ebert's Book of Film" and "I Hated, Hated, Hated This Movie.