Almost ready!
In order to save audiobooks to your Wish List you must be signed in to your account.
Log in Create accountLimited-time offer
Get two free audiobooks!
Now’s a great time to shop indie. When you start a new one credit per month membership supporting local bookstores with promo code SWITCH, we’ll give you two bonus audiobook credits at sign-up.
Sign up todayGift audiobook credit bundles
You pick the number of credits, your recipient picks the audiobooks, and your local bookstore is supported by your purchase.
Start giftingThe Black Circle (The 39 Clues, Book 5)
This audiobook uses AI narration.
We’re taking steps to make sure AI narration is transparent.
Learn moreA brand new adventure from the world of The 39 Clues!For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now.This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent. OPERATION TRINITY chronicles the first Vesper attack on the altarpiece in the 1600s, then jumps to WWII and young Grace Cahill’s desperate bid to save the masterwork from the Nazis. The final piece of the novel tells the story of Ian and Natalie Kabra’s first solo operation and features an 11th hour appearance by Grace Cahill on her final mission.History will never be the same.
Patrick Carman is the bestselling author of numerous series for young readers, including The Land of Elyon, Elliot's Park, Skeleton Creek, Atherton, Trackers, Dark Eden, and 3:15. He got his start as a storyteller weaving bedtime tales for his two daughters. He lives in Walla Walla, Washington, with his family.
Reviews
Featured on NBC's Today Show, Good Morning America, USA Today, The New York Times, NPR's Morning Edition, the Martha Stewart Show
"One blazing success." —The Huffington Post
"An interactive mystery...it's more than just a reading adventure." —Boys' Life
"This is a multi-media adventure where you also search for clues—in books, trading cards and online. Get searching!" —Girls' Life
Expand reviews