A spy-in-training goes on a top-secret international mission to help her friend search for his long-lost dad in the thrilling third installment in this fast-paced middle grade series. Bea is getting really good at spying. Having left normal school behind her (hopefully forever) and successfully taken down a ring of Arctic Assassins, she is itching to find her next mission. Which is why she's the first to notice when Tommy, her friend and fellow resident of the Pangean, starts acting suspicious. So when Tommy stows away on a zeppelin to Beijing, of course Bea tags along and joins the mission to rescue his long-lost dad. But Tommy's feelings about his dad are. complicated. Bea's not sure how to help.

She's a pro at crafting the perfect disguise or surviving a high speed chase, but she hasn't quite mastered the art of being a supportive friend. And when their mission uncovers a secret that makes Tommy question everything, Bea must put all of her skills to the test to save their friendship. and their lives.