When their baby-sitters from the OSS sprout whiskers and tentacles, Carmen and Juni set out to find who really sent them--the OSS or a more sinister source.
Cammie Morgan questions the loyalty of her classmates and friends after she learns that one of her most trusted allies is actually a double-agent, and now danger follows her everywhere.
Nathan Abercrombie, a half-dead zombie who is trying to find a way to get out of wrestling during physical education because he cannot risk breaking any bones, agrees to help the secret organization B.U.M. in exchange for a cure for his condition.
Fifteen-year-old Freedom Smith is a fighter, just like all of his relatives who have the "Hercules gene, " which leads him to a choice between being jailed for attempted murder or working with a covert law enforcement agency to break up a mysterious, illegal fight ring.
Michael K., Venus, TJ, and the SPHDZ continue to try to get kids to sign up for the Spaceheadz, but Agent Umber of the Anti-Alien Agency does not back down and the identity of the leader of Spaceheadz surprises everyone.
Cammie Morgan wakes up in an alpine convent and realizes that she has no memory of the several months that have passed since she left Gallagher Academy to protect her friends and family from an ancient organization known as the Circle of Cavan.
Cammie Morgan questions the loyalty of her classmates and friends after she learns that one of her most trusted allies is actually a double-agent, and now danger follows her everywhere.
In 1918, caring for her family's homing pigeons while her father is away fighting in World War I, twelve-year-old Pam comes to suspect that a mysterious stranger in her small North Carolina town is a German spy.
Eight-year-old secret agent Adam Sharp travels to Australia where, with the assistance of Alice Springs and a washed-up TV star, he tracks down the evil mastermind behind a plan to block all television stations except his own--The Happy Channel.
Cammie Morgan wakes up in an alpine convent and realizes that she has no memory of the several months that have passed since she left Gallagher Academy to protect her friends and family from an ancient organization known as the Circle of Cavan.
