Roy, Ron

Ruth Rose, Josh, and Dink attend a concert during which someone steals the star's diamond pendant, and they are soon on the trail of the thief.

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, Josh, and Ruth Rose investigate the kidnapping of the new baby panda at the petting zoo.

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

A child mummy is stolen and a tomb is robbed of its treasure, and it's up to Dink, Josh, and Ruth Rose to solve the mystery.

While visiting Dink's uncle in New York City, Dink, Josh, and Ruth Rose help uncover who is responsible for stealing a very valuable painting.

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 Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace.

Dink and his friends unearth the mysterious truth behind the envelopes incorrectly delivered to his house.

Josh and his two friends look for the person who stole a peregrine falcon from its nest.