Carmen and Juni Cortez's lives have never been the same after they find out that their parents are secret agents. But the siblings also discover that the best spies can also be the smallest—and soon they form the best spy-kid team ever to crack world criminal cases These original, action-filled adventures will keep any aspiring spy kid completely enthralled.

When their parents are sent on a mission to Brazil, Carmen and Juni Cortez get a pair of OSS babysitters, one of whom has claws and whiskers, while the other has tentacles, and the kids realize the agency had been infiltrated by part-animal agents.

Carmen and Juni are spending the summer at an OSS sleep-away camp. The camp director is a retired spy-turned-environmentalist named Oscar Zohn. But it turns out that O. Zohn thinks environmentalism means using nature for his own devices. He plans on using the unknowing help of the Spy Kid campers. Only Carmen and Juni are in the know…which means only they can save the world!

It's a case of bad spring fever. When Carmen and Juni discover that an evil man is plotting to take over the world by attacking people with allergies, they need to take down the villain before he turns the whole world on its nose