In the 1920s, Rocky Mountain National Park is brand new, yet there's already a feud going on between tour bus drivers and independent guides. One guide is found shot to death, but no one saw a gun. No...

It's the 1920s. Ranger Tim McIntyre's job is to protect the new Rocky Mountain National Park and see that visitors have a good time. But two visitors are found dead—one hanged, perhaps by accident, one...

In 1920, Rocky Mountain National Park is only five years old. With the Great War finally over and the automobile readily available, many Americans are motoring to the National Parks for vacation. Ranger...

Lawn Lake's remote location in Rocky Mountain National Park makes it an ideal place for two robbers to hide while cops search Colorado and Kansas for whoever stole $200,000 from the Denver Mint. When...

Ranger Tim McIntyre is investigating a series of break-ins at private homes located within the boundaries of Rocky Mountain National Park that are closed for the winter. In one of these homes, a well-dressed...

Rocky Mountain National Park Ranger Tim McIntyre is torn away from fantasies about how much fly-fishing he can fit into his vacation when he's roped into using his free time for an informal investigation...

It's 1923 and Rocky Mountain National Park is scarcely eight years old. District Ranger Tim McIntyre is investigating the unlawful killing of three elk. Gala Book—eleven-year-old daughter of the local...

Small Delights Lodge in Rocky Mountain National Park seems to be under siege. Shots have been fired at the owner, vehicles set on fire, boats sabotaged, electrocution booby traps and deadfalls set up—and...