Em Hansen mysteries

Geologist Emily Hansen, working as a mudlogger in the Tensleep Sandstone oilfield near tiny Meeteetse, Wyo., is sorely troubled by the seemingly accidental death of head geologist Bill Kretzmer and the subsequent killing of his protégé‚ Willie Sewell, who had suspicions of his own. Inexplicable things are happening at the drilling operations, too, all of it overseen by vulgarly nasty company engineer Ed Meyer and his quiet sidekick Merle Johnson....

Lady geologist Em Hansen investigates the murder of a paleontologist during a conference on dinosaur fossils in Salt Lake City. The probe leads to romance with a Mormon police officer.

When Salt Lake City is hit with a major earthquake on the eve of the Winter Olympics, Em Hansen is sent in by the FBI to investigate the murder of a state-employed geologist just hours after the disaster.

Unemployed professional geologist and sometime FBI consultant, Em Hansen desperately needs work. So when her best friend Faye tells her that she knows someone who could use Em's expertise as a geologist to authenticate a painting, she jumps at the prospect. The painting is by the famous painter of the American West, Frederic Remington, and Em's client has had it in his family for years. But he believes it's a fake and wants Em to use her forensic...

A white water trip through the Grand Canyon goes off-course when Em Hansen's husband is accused of murdering a fellow rafter.