Hairy, Hairy, Quite Contrary (Book 4 in the Galactic Adventures of Alex McKenzie series‪)‬

Neuro has awoken from his slumber and is bent on revenge. By skillfully twisting the truth, he manages to turn the gullible Hairy against his allies. Even Hairy's best friend, Frother, becomes a sworn enemy who must be destroyed.
A variety of new characters enter the fray, including a young Ice Dragon named Newbie and the deadly brain-eating Chisel worms.The sadistic Riboltians and evil Cabats also return thanks to Neuro's prowess in genetic engineering. Old friendships are tested and new relationships forged as the battle between good and evil continues.