Ron Roy
10) The ninth nugget
Author
Formats
Description
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.
11) Detective camp
Author
Series
Formats
Description
While learning detective skills at a sleep-away camp, Dink and his friends undercover a real mystery involving stolen paintings.
19) Unwilling umpire
Author
Formats
Description
When the umpire at the baseball game fund-raiser is accused of stealing a collection of autographed baseballs, Dick, Josh, and Ruth Rose try to prove his innocence.