The CIA forces twelve-year-old Charlotte Charlie Thorne, a rebellious genius, to use her code-breaking skills on an epic global chase to locate Einstein’s last equation before dangerous agents discover it…

After Moon Base Alpha’s top scientist turns up dead, 12-year-old lunarnaut Dashiell Gibson senses foul play. Dash discovers that Dr. Holtz was on the verge of an important new discovery…

In Paris with his parents to sell family heirlooms, fourteen-year-old Greg Rich suddenly finds himself four hundred years in the past, and is aided by boys who will one day…

Twelve-year-old Ben Ripley enrolls in ski school, where the slopes–and the stakes–get really steep in this follow-up to the Edgar Award nominated Spy School, Spy Camp, and Evil Spy School…

Thirteen-year-old Teddy Fitzroy and his girlfriend, Summer, investigate when a mountain lion is accused of killing a prized dog outside of FunJungle Wild Animal Park in the Texas Hill Country.

While on a mission aboard the The Emperor of the Seas, Ben Ripley faces off against his arch enemy, Murray Hill, on the high seas and quickly finds himself in…

Follow FunJungle’s resident zoo sleuth, Teddy Fitzroy, as he continues uncovering more wild mysteries in books four through six of Stuart Gibbs’s New York Times bestselling FunJungle series. Now available…

Twelve-year-old Ben Ripley leaves his public middle school to attend the CIA’s highly secretive Espionage Academy, which everyone is told is an elite science school.