Stuart Gibbs (born June 11, 1969) is an American author who has written mostly mystery and humor books that are aimed for tweens and teens.

Teddy and his friends solve various mysteries that occur around the zoo, trying to watch out for people that will make his life harder, such as Marge O'Malley, a security guard, and the ever dubious billionaire owner of FunJungle, J.J. McCracken.

As the series progresses, Teddy becomes friends with, and later starts dating, J.J.'s daughter Summer McCracken.

[5] In the Spy School series, twelve-year-old Benjamin "Ben" Ripley gets recruited to the top-secret CIA academy of espionage.

Books: The MBA series takes place in 2041 where 12-year-old Dashiell Gibson and his family are recruited to go to Moon Base Alpha, the first human lunar colony.