For his next book, Jon Krakauer is looking into a series of campus rapes at the University of Montana.

Krakauer's "Missoula: Rape and the Justice System In a College Town" will be released April 21, Doubleday announced Monday. The publisher plans a first printing of 500,000 copies and calls the book "a stark, powerful, meticulously reported narrative" about the assaults of several women.

Krakauer's other works include "Into the Wild," ''Under the Banner of Heaven" and "Where Men Win Glory."