If you liked this one you will like the other park mystery books by Nevada Barr. Quinta
In 1998, she published Blind Descent, her sixth in the series, which took place in a highly disguised Lechuguilla Cave, Carlsbad Caverns NP: Blind Descent, the sixth in the Anna Pigeon series, is set in Carlsbad Caverns National Park. Lechuguilla, the cave the action takes place in has been largely fictionalized both for plot and because, to preserve it, the NPS has closed the cave to visitors. Blind Descent was nominated for an Anthony Award.
