Stuart Gibbs

Superspy middle schoolers Ben and Erica must embark on a mission to rescue Erica's grandfather, who was abducted from a remote Alaskan training facility.

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 hot water as things take a dangerous turn.

With no knightly experience but plenty of pluck and an impressive vocabulary, a twelve-year-old peasant, hoping to improve his station in life, volunteers to help a cowardly prince and his not very powerful wizard rescue a princess from an evil, foul-smelling monster.

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.

Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn't old enough to drive. And now it's up to her to save the world. Decades ago, Albert Einstein devised an equation that could benefit all life on earth--or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie...

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 SPYDER elite, Ben knows that there must be something going on. The Mission: Follow Murray Hill to an undisclosed location to identify SPYDER leadership....

While visiting his girlfriend Summer in Malibu, Teddy stumbles upon two mysteries involving a blown up whale explosion and a string of beach sand thefts, but his investigation is sidetracked by a rumor that his girlfriend is dating a celebrity, leading him to question their relationship.

"Prinec Ruprecht is very upset that knights-in-training Tim and Belinda have thwarted his plans and ruined his chances with Princess Grace. So to get even, he has kidnapped the princess and trapped her in the most complicated and scariest maze in all the world! Now it's up to Tim, Beinda, Ferkle, and Rover to find their way through the labyrinth and rescue the princess before time runs out"--

After getting expelled from spy school for accidentally shooting a live mortar into the principal's office, thirteen-year-old Ben finds himself recruited by evil crime organization SPYDER.

Twelve-year-old Ben's unexpected success outside the classroom causes the CIA to activate him for a mission to become friends with Jessica Shang, daughter of a suspected Chinese crime boss.