mystery and detective stories

When someone steals the money the town has been collecting to help the ducks, Josh and his friends try to find the thief.

The boxcar children uncover a double mystery involving an old friend of Aunt Jane's.

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

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.

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

Arriving for a vacation on Holiday Island, penguins Gus and Gertie stumble into a hotel full of Bad Guys and have a beautiful, valuable deep-sea pearl stolen from them.

When the guests of the Shangri-La Hotel are scared away by a white-haired female ghost, Dink and his friends investigate the mystery.

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

While visiting Wallis's castle, Dink and his friends investigate strange noises that lead them to a dangerous secret.