Valentine’s Day was so much more fun when they were little. Then they each start getting messages and clues from a secret admirer! Can the kids figure out who wants to be their Valentine?

Welcome to summer camp for detectives! The kids can’t wait to spend a week following clues and learning about the science of crime-solving. Soon all the campers are working on a mystery. But while Dink, Josh, and Ruth Rose are figuring out their part of the puzzle, they stumble onto something suspicious. Could a real crime be happening at detective camp?

Dink, Josh, and Ruth Rose are headed to the Big Apple! They plan to spend time with Ruth Rose's grandmother in Brooklyn. But their plans are foiled when a famous vase is stolen from the Greenwood Cemetery. And all evidence points to Ruth Rose's grandmother as the culprit! Is she really a criminal? It's up to Dink, Josh, and Ruth Rose to clear her name. 

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?

Is there a real Headless Horseman haunting Sleepy Hollow? Dink, Josh, and Ruth Rose will sleep in a cabin, take a haunted hayride, and go to a party near an old graveyard. But strange things start happening that don’t seem to be part of the spooky fun. Has the famous ghost story come to life? 

Dink, Josh, and Ruth Rose are visiting the Grand Canyon when they spot Parker Stone - a famous TV star. They can't wait to get his autograph, but before they can, Parker is kidnapped! Only a few clues - and his pet parrot - are left behind. It's up to Dink, Josh, and Ruth Rose to find Parker - before it's too late!

Thar she blows! Dink, Josh, and Ruth Rose are on an Alaskan whale watching adventure. On their first day, they see a mother orca and her calf. But the next day, the baby orca is missing! The calf needs its mother’s milk. Can the kids solve this whale of a mystery?

Mystery takes off in 3...2...1! Dink, Josh, and Ruth Rose are in Florida, visiting a space museum, Alice's Space Shuttle. There, they get to check out cool NASA gear! But someone is sneaking around Alice's house, and not because they want a tour. They want Alice's property! Why? Only Dink, Josh, and Ruth Rose can solve this Jupiter-size mystery! 

Can you SPOT the mystery? Dink, Josh, and Ruth Rose are visiting the San Diego Zoo. When a rare amur leopard goes missing, everyone is a suspect! Can these expert clue hunters find out how the leopard got loose?

J is for Jewel.... New York is the emerald city! Dink’s uncle’s museum there has a new treasure - a golden jaguar statue with an emerald between its paws. But someone swaps the jewel for a fake! Who stole the jaguar’s jewel? Dink, Josh, and Ruth Rose are sure to find out!

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes Detective Camp, Mayflower Treasure Hunt, White House White-Out, and Sleepy Hollow Sleepover.

I is for Island.... It’s picnic time! Dink, Josh, and Ruth Rose pack up a basket and wade out to Squall Island. Right away, they find a 100-dollar bill in the sand! But when they come back the next day, the entire island has mysteriously disappeared. What is the secret of Squall Island?

There’s a zombie on the loose! When Dink, Josh, and Ruth Rose visit the Louisiana bayous, they meet a village with one spooky problem. Locals say a silver-haired zombie is digging up graves in the cemetery. Are the stories real? Dink, Josh, and Ruth Rose will unearth the truth! 

Where could those wolves be? When the kids visit the Maine wilderness, they spot a white mother wolf and her babies on a cliff. But soon after that, the pups are stolen! Can Dink, Josh, and Ruth Rose sniff out the culprits?

When Josh discovers a nest of young falcons in the forest, he, Dink, and Ruth Rose start visiting every day. But in the morning they find it empty! The kids discover a wounded falcon with its wing feathers clipped, and they know someone's up to no good. Can they figure out what's going on before it's too late to save the falcons?