A friend of park ranger Anna Pigeon has been injured while exploring a cave in New Mexicos Carlsbad Cavern Park. Before the woman can be pulled to safety, she sends for Anna. Only one problem: a crushing fear of confined spaces has kept Anna out in the open her whole life. Reissue. nPark ranger Anna Pigeon is enjoying the open spaces of Colorado when she receives an urgent call. A young woman has been injured while exploring a cave in New Mexicos Carlsbad Cavern Park. Before she can be pulled to safety, she sends for her friend Anna. Only one problem: a crushing fear of confined spaces has kept Anna out in the open her whole life.