When Jordan finds a treasure map at Camp Dakota, the hunt for hidden treasure is on! As the campers follow the map, they discover that time has changed some of the landmarks. They'll need to rely on what they know about rocks and changes to Earth's surface to have any chance of success. Will the old drawing still lead them to the treasure? And why is Jordan acting so weird? Look in the back of the book for experiments and more to help you become a...

When campers arrive at Camp Dakota, rumors start flying. The Fog Zombie is on the prowl, moaning and creeping through the thick fog that often settles on the lake. At first, the kids don't believe the rumors-until they find mysterious clues leading to the zombie! Can the campers track down the Fog Zombie with their science smarts? Or will it find them first? Look in the back of the book for experiments and more to help you become a science detective...

When several campers at Camp Dakota report missing items and begin pointing fingers at a fellow-camper, a group of children search for the culprit. Includes glossary and experiments.

It's the end of the summer at Camp Dakota-and things are about to get hairy. The kids have adaptations on their minds. And after one camper notices Counselor Kyle's suspicious late-night activities, they begin to suspect that Kyle is turning into a werewolf. Is there another explanation? Or have the campers discovered a terrible secret? Look in the back of the book for experiments and more to help you become a science detective too!

There's a new kid at Camp Dakota! It's Megan's first year, and all she can think about is riding horses. But gravity seems to be getting in the way of all the campers' fun, from the stables to the beach. Then the big cuckoo clock in the main cabin goes missing. Who would take a cuckoo clock? Can the campers use the weighty facts they've learned to solve the mystery of where it went-and why?

A Mystery about Light: A thief is on the prowl at Camp Dakota! The campers can't find their favorite things--and they're starting to accuse each other of stealing. The kids set out to find the culprit--but the truth behind the missing stuff may be stranger than anyone expected. Can the campers track down the Cabin Thief? Or will they turn on each other first? Look in the back of the book for experiments and more to help you become a science detective...

A Mystery about Adaptations: It's the end of the summer at Camp Dakota--and things are about to get hairy. The kids have adaptations on their minds. And after one camper notices Counselor Kyle's suspicious late-night activities, they begin to suspect that Kyle is turning into a werewolf. Is there another explanation? Or have the campers discovered a terrible secret? Look in the back of the book for experiments and more to help you become a science...

A Mystery about Sound: It's a dark and stormy morning at Camp Dakota, but that won't keep Braelin from investigating the whispers coming from the lake. What else could it be, but ghosts? The campers try to record and amplify the sounds, but suddenly the eerie voices go mute. Braelin and Megan won't give up, even when their ghost hunt leads them deep into the woods. Can they use their sound smarts to get back safe? Look in the back of the book for...