Eyes That See In The Dark

Reid Morgan and Dey Johnson join a small group of townspeople on a tour of a recently discovered cave in the mountains of their desert home. It's a wild adventure in the limestone wonderland until Reid gets separated from the group and discovers the bodies of a photographer and a missing geologist. As Reid and Dey help local authorities find an unknown killer, they also help a visiting naturalist protect a colony of bats in this fourth book of the series.