Yes, I know it's not really a sports book, but Ebert did begin his writing career as a sportswriter, so I think it's appropriate. Especially when I compare it to Robert Lipsyte's memoir, "An Accidental Sportswriter."
In short, Ebert's memoir is outstanding. You can read my thoughts here.
And a special thanks to our immensely talented film friend in Brooklyn, R. Kurt Osenlund, for the book.