Title: X-Men Mutant Empire
Subtitle: Book 1 - Siege
Description: Novel featuring the mutant superhero team from the Marvel Comics.

Magneto, the X-Men's oldest, deadliest foe, has taken over a top-secret government installation that houses the Sentinels, powerful mutant-hunting robots.
Subjects: superheroes, mutants, Mutation (Biology), Fiction, Fiction, science fiction, action & adventure, X-men (fictitious characters), fiction