Eleven-year-old Chester and his classmate Skye, tasked with a complex puzzle-solving mission, discover the key to their spy assignment is to stop a heist, but cracking the code could mean finding out things are not always what they seem.

"Scarlett has never left the tiny island where she and her beloved sister, Tella, live with their ruthless father. Now Scarlett's father has arranged a marriage for her, and Scarlett thinks her dreams of seeing Caraval, the legendary, once-a-year performance where the audience participates in the show, are over. But this year, Scarlett's long-dreamt-of invitation finally arrives. With the help of a mysterious sailor who she has just met, Tella whisks...

When Stink's parents win an aquarium sleepover, he and his two friends enjoy a scavenger hunt before trying to fall asleep while worrying about the frankensquid on the loose.

With Kyle Keeley and the Lemoncello All-Stars' help, four lucky girls and boys win the chance to be the first to go inside Mr. Lemoncello's Gameworks Factory. They will compete in a series of challenges and games--like live-action Chutes and Ladders and Rush Hour--to win the Titanium Ticket, which will give them the chance to win a prize beyond anything they can imagine.

An oral history that reports, through transcribed recordings, text messages, photographs, illustrations, screenshots, and more, on the First (and last) Annual Culvert Prep Middle School Scavenger Hunt For Charity, and the adventures of twelve-year-old twins Reese and Claudia Tapper as their highly competitive teams scour New York for treasure.

Mr. Quisling is definitely up to something mysterious, and Emily and James are on high alert. First, there's the coded note he drops at a book event. Then Emily and James uncover a trail of encrypted messages in books by Mark Twain hidden through Book Scavenger. What is most suspicious is that each hidden book triggers an arson.

Geronimo and his friends participate in a treasure hunt set up by his rival and are determined to overcome all of its challenging obstacles, including tricky riddles and smelly dinosaurs.

Thirteen-year-old Ellen Katz is a lesbian and autistic, meaning she is different from most other thirteen-year-olds. That's why she has always been thankful for her best, and only, friend, Laurel, who has never made her autism an issue--but now, Ellen fears Laurel is drifting away from her. A class trip to Barcelona seems like the perfect time for Ellen to try to patch her friendship up, but events conspire to force her to find a new way to live,...

Told in the alternating voices of Dash and Lily, two sixteen-year-olds carry on a wintry scavenger hunt at Christmas-time in New York, neither knowing quite what--or who--they will find.

"From the award-winning author of Bellweather Rhapsody, a delightfully clever novel following one woman and a supporting cast of misfits, dreamers and foes as they race to win a treasure hunt inspired by Edgar Allan Poe, left behind by a dying billionaire" --