The Diseased Ones (Unofficial X-men Novel)

Raven Barfield thought she was a normal 14 year old girl, until she is told she is infected with a genetic mutation and must be brought for scientific study. Now running from the government and a couple of mutants who don't seem to exactly like each other. But after meeting Charlie a fellow mutant with a breathtaking power, she can't decide what to do.
Raven must either embrace her powers or be destroyed by them.