Thirteen-year-old Ben Ripley has been caught in the snares of SPYDER more than once and knows well enough to be suspicious of anything that seems too good to be true--despite needing special tutoring in advanced survival techniques. So when Murray Hill finally breaks his silence with an offer to hand over the SPYDER elite, Ben knows that there must be something going on. But his hesitation doesn't stop the assignment. The Mission: Follow Murray Hill...

"Before they were legends, they were friends. All for one and one for all! On the first day of a family trip to Paris, Greg Rich's parents disappear. They're are not just missing from the city - they're missing from the century. So Greg does what any other fourteen-year-old would do: he travels through time to rescue them. Greg soon finds out that his family history is tied to the legendary Three Musketeers. But when he meets them, they're his age,...

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

Thirteen-year-old Ben Ripley is assigned to protect the president from an assassination attempt in his first solo mission, but he may be in over his head.

"Follows the spies-in-training on a hunt to find the leader of the evil organization SPYDER and take them down once and for all"--

In 2041 twelve-year-old Dashiell Gibson is a resident of Moon Base Alpha, and at the moment he is faced with a number of problems: coping with the nasty Sjoberg twins, finding out how the commander of the base has managed to disappear from a facility no bigger than a soccer field, and dealing with the alien Zan who communicates with him telepathically from afar--and who is hiding a secret which may threaten the whole Earth.

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.

"Someone is trying to hunt FunJungle's Asian greater one-horned rhinoceros, and twelve-year-old Teddy Fitzroy is on the case"--

"When Greg and the Musketeers return to Paris and find the city under siege, they leap into action to prevent King Louis from being overthrown and history from being changed forever"--

With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you're a superspy in training. Until someone bombs the CIA conference room next door. To Ben's astonishment, the attacker is none other than Erica Hale, the spy-in-training he respects more than any other. His mission: prove Erica is not a double agent working against the US, locate the fabled colonial-era insurgent group that's blackmailing...