X-Men: Endangered Species TPB

With three little words, and entire race was nearly obliterated. Every mutant who dies is one number closer to zero. Endangered Species, a series of 8-page back-ups in the four core X-titles, follows the Beast as he races against the clock to save this once-thriving race. Collects the X-Men: Endangered Species One-Shot, and #1-17 back-up stories