When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

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

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

Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and none coming back out.

The kids are visiting their friend the prince fo Costra. The owner of a birght yellow yacht are acting suspicious. Then there's a robbery on the island. Could there be a connection?

Someone has been stealing and leaving behind little green sneakers, so Bradley, Brian, Nate, and Lucy trail their new teacher, who wears the same shoes in normal size.

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.

Dink, Josh, and Ruth Rose are excited to vacation in the Louisiana bayou. But the small village they visit has a scary problem. The villagers tell stories of voodoo and a giant zombie with silver hair who has been digging up graves in the cemetery. Can the tales be true?

The Kidnapped King: Someone has kidnapped the king and queen of Socotra. The Lucky Lottery: The lottery ticket that Lucky O'Leary's grandfather sends him turns out to be a million-dollar winner! The Missing Mummy: It's Mummy Monday at the museum, and Dink, Josh, and Ruth Rose are excited about the new Egyptian exhibit. The Ninth Nugget: Dink, Josh, and Ruth Rose are spending a week at a dude ranch. Everything is normal in a cowboy kind of way, until...