When a legendary alpine climber leads a professional workshop on dangerous Search and Rescue techniques, the last thing you would expect is that someone would die. And yet...

It's up to Ranger Dan Courtwright and his friend Sheriff Cal Healey to uncover the truth. And the secrets that come to light threaten to expose more than one suspect.

Author Paul Wagner spent the first summers of his life in the Sierra Nevada, where his father was a ranger. Since then, he has hiked thousands of miles in the mountains, and his website, backpackthesierra.com, has become a popular reference for outdoor enthusiasts. He has won international awards for his non-fiction books. This is the sixth of his Dan Courtwright mysteries.