Written by MIKE CAREY, CHRIS YOST & CHRISTOS GAGE. Penciled by SCOTT EATON, MARK BAGLEY, MIKE PERKINS & ANDREA DI VITO. Cover by MARC SILVESTRI. With three little words, an entire race was nearly obliterated. Every mutant who dies is one number closer to zero. Now, the Beast races against the clock to save this once-thriving race. Collecting the X-MEN: ENDANGERED SPECIES one-shot and Chapters 1-17. 136 PGS.