Ron Roy

The Deadly Dungeon
Dink’s favorite mystery writer, Wallis Wallace, has invited Dink, Josh, and Ruth Rose for a sleepover—in a haunted castle! Will they discover who—or what—is haunting Moose Manor?
The Empty Envelope
Dink keeps getting envelopes in the mail addressed to “D. Duncan.” But the letters inside all start with “Dear Doris” and don’t make any sense! Josh and Ruth...

Third-grader Dink and his detective friends hope to receive a big reward by finding the person whose video recorder picked up a picture of the local bank robber.

Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

While learning detective skills at a sleep-away camp, Dink and his friends undercover a real mystery involving stolen paintings.

Dink, Josh, and Ruth Rose investigate the disappearance of a valuable racehorse that Dink's uncle and his friend, Forest Evans, have just bought and entered in a race at Saratoga.

Dink and his two friends help Lucky find the culprit who stole Lucky's winning lottery ticket.

While picnicking on Squaw Island, Dink, Josh, and Ruth Rose find a hundred dollar bill, and when they return to explore further they find an entire cave full of money.

Dink and his friends use their detective skills to locate a giant emerald missing from a statue delivered to Uncle Warren's museum in New York City.

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.

Dink, Josh, and Ruth Rose help catch the thieves who have stolen the treasure from the museum's mummy exhibit.