I like Books of Magic, but A Thousand Deaths of Timothy Hunter was a huge disappointment to me when I read it. While it did provide some background story on the Other, it quickly grew dull and repetitive: Introduce a new world with a different Tim Hunter, then kill off said Tim Hunter and destroy the world. Several of the worlds were actually kind of interesting, but nothing whatsoever was done with them. It was "hey, this looks sorta neat, whooops there it's all destroyed."
By the time they got to this Teen Titans parody, I was fed up with the entire thing. There seemed to be no point to any of it, other than show what a bastard the Other was, and I already knew that from the regular series.
Oh well. Even Books of Magic is allowed one misstep.