Incredible Change-Bots Book Two

Now guess who's back! Four years ago, an alien race of shape-changing robots came to Earth, fired ray guns at each other for a while, then gave up and flew away. But they left behind one thing: Shootertron, the semi-cunning leader of the evil Fantasticons! Fortunately for Earth, Shootertron's memory is a little fuzzy. Unfortunately for Earth, the rest of the Incredible Change-Bots seem to be on their way back...