With SPYDER apparently defeated, thirteen-year-old Benjamin Ripley is hoping for some peace at spy school, but when the CIA conference room next to where Ben and Alexander are trying to explain everything to Ben's parents (no easy task) is blown up, suspicion falls on fellow trainee (and secret crush) Erica.

Emily is contending with great changes, including diminished powers, but goes to London to rescue Agent B and others from the CRU, where she makes horrible discoveries about the agency's history.

As the plague decimates London in 1665 and an assassin threatens the apothecary's life, apprentice Christopher Rowe and his faithful friend Tom, following a trail of puzzles, riddles, and secrets, risk their lives to untangle the heart of a dark conspiracy.

"When King Jaron returned to Carthya he brought with him a device that supposedly shows the way to a great treasure, but now everything is going wrong: Castor, the son of an old enemy, is conspiring against him and wants the throne for himself, his fiancée, Imogen, seems to have turned against him, and the Prozarian Monarch has invaded his kingdom and taken Jaron's castle--but Jaron has a lot of experience at hiding and escaping, and he is not willing...

Seventh-graders Tommy, Spike, and Karim register with an online application to become monster hunters and find themselves caught up in a conspiracy and with more monsters than they expected.

After many ups and downs, Zeke and his friends work together in a final effort to stop the evil Phands from taking over the galaxy.

"A twelve-year-old boy is chosen to join a four-person applicant team to work towards membership in the Confederation of United Planets, and stumbles across conspiracies resembling science fiction he's been a fan of his entire life"--

"Forced to hide her new-found magic, Myra enrolls in an interplanetary academy exchange program to dig up more about the government's many conspiracies"--

Tired of all the rules of comportment at court, Princess Juniper asks for, and receives, a very small country of her own for her thirteenth name-day, one she can set up and rule with less formality and more simple friendship--but there is trouble at home and she has to find a way to thwart her distant cousin's ambitions.

When twelve-year-old Ash McCarthy wakes up after his father's funeral, he finds that he has been kidnapped to an island off the coast of Costa Rica, caught in the middle of a secret and deadly project named Kronos in which his mother is somehow involved, and he must find a way to save them both--and the only person he is sure he can trust is a Spanish girl his own age named Isabel.