Roy, Ron

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.

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.

Bradley, Brian, Nate, and Lucy follow clues on an Easter treasure hunt, while trying to figure out who set it up for them.

Josh discovers a nest of young falcons. One morning he finds the nest empty. Can he and his friends figure out what has happened to the falcons?.

The hunt is on! Dink, Josh, and Ruth Rose are spending Thanksgiving in Plymouth, Massachusetts. They can't wait to see the sights and have a Thanksgiving dinner just like the Pilgrims would have eaten. Then the kids learn about a sapphire necklace that went missing on the real Mayflower. Could the 400 year old treasure be hidden somewhere nearby? And will someone else find it before they do?.

"Dink, Josh, and Ruth Rose must solve a mystery when they go whale watching in Alaska"--Provided by publisher.

KC and Marshall investigate the theft of a priceless Tiger's Eye that was loaned to the National Zoo from China.

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 investigate a mysterious man in black who Josh believes is a vampire.