The book 'Attack Of The Purple Blobs' is part two of the Stargazer series. Part one is 'The Day I Found An Egg'. Stargazer, the little dino has been dinonapped by aliens. It's up to Austin and Petro to get their little dino buddy back. But why did the Tribbilians kidnap him? The Tribbilians knew that the duo would come to rescue their buddy, so they laid traps. One by one, they captured all of Austin's friends...