Blind Descent (Anna Pigeon Series #6)

Award-winning author Nevada Barr fills the pages of Blind Descent with heart-stopping suspense, plots that twist around every corner, and spectacular wilderness settings. When park ranger Anna Pigeon embarks on a thrilling subterranean rescue mission, she confronts personal demons and a multitude of life-threatening dangers—not all of them from the hostile terrain. A fellow ranger is injured in a suspicious accident while exploring the mostly unmapped Lechuguilla Cavern in New Mexico's Carlsb…