Dink, Josh, and Ruth Rose investigate a mysterious man in black who Josh believes is a vampire.

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

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.

Mr. Paskey, owner of the Book Nook, plays an April Fools' Day prank on Dink, Josh, and Ruth Rose. They hatch a plan to get back at him, but then the bookstore is robbed--no joke! Can the kids track down the crook? Or will this April Fools' be an April fail?

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

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

The star of their favorite television show is kidnapped at the Grand Canyon, and it is up to Dink, Josh, and Ruth Rose to find him.

While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom.

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.