While spending Christmas break at an Arizona dude ranch, Trixie and the Bob-Whites work to solve several mysteries--a phony cowboy, disappearing staff, and puzzling cries in the night.

When Dink, Josh, and Ruth Rose visit a dude ranch in Montana, they find themselves with another mystery to solve, this one involving the theft of money from the ranch's safe and of a large gold nugget that Josh had found.

It's 1938 and women seeking a quick, no-questions split from their husbands head to the "divorce capital of the world," Reno, Nevada. There's one catch: they have to wait six-weeks to become "residents." Many of these wealthy, soon-to-be divorcees flock to the Flying Leap, a dude ranch that caters to their every need. Twenty-four-year-old Ward spent one year at Yale before his family lost everything in the Great Depression; now he's earning an honest...