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

When Dink, Josh, and Ruth Rose visit Washington, D.C., just before Christmas, they are inadvertently caught up in a kidnapping plot that was intended for the president's dog, but also involves the president's stepdaughter and her friend Marshall.

When Dink, Josh, and Ruth Rose visit Plymouth, Massachusetts, for Thanksgiving, they uncover a mystery that dates back to the landing of the Pilgrims.

While visiting London, Dink, Josh, and Ruth Rose solve a mystery and meet the Queen.

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

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

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

When they discover that one of the thumbs has been broken off the statue in the Lincoln Memorial, KC and Marshall set out to learn what happened and restore the thumb before a ceremony takes place to honor the sculptor.

When Dink, Josh, and Ruth Rose visit a dude ranch in Montana, they find themselves with a 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 gold from Sammi's parents, the king and queen of Costra.