Title: Sentinels
Description: His robotic invasion of Earth repelled, the Worldmind dispatches his top lieutenant, the murderous Vanguard, to find answers - and to open the way for ultimate planetary annihilation. Standing in the way: Ultraa, Pulsar, and a motley collection of heroes - and villains - who must overcome their old rivalries and work together, if Earth is to have any chance at all ...
Subjects: Heroes, Juvenile fiction, Superheroes, Fiction, science fiction, action & adventure, Fiction, science fiction, general