Mysterious incidents are happening at a big soccer tournament in Scotland. The Cortez family is faced with an international criminal that can't be seen! The Spy Kids must track down who or what is causing some haunting situations.

Carmen and Juni are assigned guard duty for a famous pop star The pop star's talents are the result of a powerful gem that has now fallen into the hands of an evil villainess. The Spy Kids must save the star!

Carmen Cortez likes the help of British Spy Kid Maya Sinclair but Juni Cortez is suspicious of her.

When their parents go on a spy mission to Brazil, Carmen and Juni are assigned two babysitters from the OSS. But when one sprouts tentacles and the other whiskers, they realize that these are spies on the prowl--and Carmen and Juni are on their own to solve the case.

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

Juni and Carmen investigate when their babysitters grow whiskers and tentacles. Could they be secret animal agents?

Rescuing a squirrel after an accident involving a vacuum cleaner, comic-reading cynic Flora Belle Buckman is astonished when the squirrel, Ulysses, demonstrates astonishing powers of strength and flight after being revived. By the Newbery Medal-winning author of The Tale of Despereaux.

An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students.

"Jazmin is a super-cool secret agent with hi-tech and a hi-octane life of crime-busting...in her dreams!In reality, Jazmin is a schoolgirl with a serious snack habit, whose biggest battles are with her maths homework." -- BACK COVER.