There are plenty of ways to die in the Grand Canyon. Forensic geologists Cassie Oldfield and Walter Shaws investigate one way: trouble on the canyon's Colorado River. Stranded raft. Life vests unused. Rafters missing.
Also by Toni Dwiggins...
The Forensic Geology Series
About the author
Toni Dwiggins
Toni Dwiggins is an award-winning and bestselling author. She takes forensic mystery into thriller territory, bringing her characters from the lab to outdoor adventure. She has hiked the same trails, skied the same mountains, run the same river, and kayaked the same sea as her characters -- but she doesn't get into nearly the trouble that they do.
