I'm actually surprised by how much I enjoyed the Shatnerverse books. I have not read all of them, just the first six. The stories involved are on the grand side of things, which sets them a part from the main continuity.
Which is actually one of my problems with them. I think it would have been much better for Pocket to market them as happening in a different continuity. It would have saved a lot of fans internet arguments/perspective differences if readers were given some indication from the start that the books were not designed to go with the main group of books unfolding in the 24th century.
Not saying a bright neon sign would have been needed in every book store that sold the Shatner books either, but better marketing (from the start) about Shatnerverse being different would have been cleaner.
They are worth reading.