Death Rides the Zephyr — Janet Dawson

December 23, 1952. A transcontinental train is stopped cold by an avalanche in a remote Colorado canyon. There's a murderer aboard, one who has already killed, and will kill again unless stopped. The California Zephyr, with its run from Oakland to Chicago and back, was famous for 21 years for its Vista-Domes, providing a 360-degree view of the spectacular Western scenery. It is a veritable small city on tracks, populated by passengers from all walks of life and a large crew whose duty it is to keep them safe. Zephyrette Jill McLeod is the passengers' primary point of contact. She's armed for any emergency-with a first-aid kit, a screwdriver, and her knowledge of human nature. But can she figure out a clever plot and stop a ruthless killer?