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

Dink and his friends meet an exchange student, Sammi, who is actually the prince of an island country, hiding from those enemies who have kidnapped his parents and who may be after him as well.

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

Dink, Josh, and Ruth Rose investigate the theft of a great deal of money from the belly of a nearly life-size Tyrannosaurus Rex model that their friend, Jud Wheat, is using to raise money for a dinosaur museum.

Dink, Josh, and Ruth Rose help catch the thieves who have stolen gold from Sammi's parents, the king and queen of Costra.

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.

Bradley and Brian need help from Nate and Lucy after a hypnotist turns their mother into a duck but does not quite get her changed back.

It's November, and the younger siblings of the A to Z Mysteries detectives have a new mystery to solve. ''The twins' new neighbors are up to something! It's Thanksgiving, and a mysterious couple has moved in next door. Bradley, Brian, Nate, and Lucy must work out the clues: The neighbors have built a tall wooden fence. They've bought some strange parts for making . . . something. They've even put up a suspicious tent in their backyard, with a big,...

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.

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