I'm glad I finally got to the deadline on this - I'd have kept endlessly changing it otherwise!
Cover art without text is below, plus the design for the front and back cover of the book and some sketches I drew when designing the Stone Beetle and Jabberwock.
The back cover image is the spacey stuff from the cover, rearranged with all the other elements removed. The Jabberwork ended up being quite small on the cover, and I changed it's body shape anyway, but I still think this sketch of it's head is pretty cool.