A twelve-year-old boy, worried that his parents may divorce, discovers that an island in the middle of the lake where he's spending the summer is the testing ground of the mysterious Dr. Libris, who may have invented a way to make the characters in books come alive.

Jabari is making a flying machine all by himself, but when it doesn't work the way he imagined, he learns about perserverance and problem-solving.

When Mr. Cheeseman and his three "smart, polite, and relatively odor-free" children journey to the not-so-distant past, they meet something utterly surprising--the alternate versions of themselves.

Matt Cruse, a student at the Airship Academy, and Kate de Vries, a young heiress, team up with a gypsy and a daring captain, to find a long-lost airship, rumored to carry a treasure beyond imagination.

Freddie Ramos has shoes that give him super speed, super bounce, and super hearing. His friend Mr. Vaslov invented the shoes. Now Freddie is helping him work on a drone. Freddie's excited until he learns the drone's job is to assist Mr. Vaslov. Is Freddie being replaced by a flying robot? At home, Freddie's mom has a new boyfriend, David. Freddie doesn't know how to feel about David and worries his mom won't have time for him now. How can Zapato Power...

Marveltown's adults are outstanding inventors, but when their best engineers create giant but stupid robots that threaten the town, it is the children's outrageous creations that save the day.

"With a plot combining science and the supernatural, four kids are caught up in a dangerous plan concocted by the eccentric inventor, Nikola Tesla"--

Three sixth-grade boys band together to build an experimental aircraft, enduring social and practical difficulties in the process.

George and Harold and their doubles, Yesterday George and Yesterday Harold, have been taking turns going to school, but when the doubles fall prey to their gym teacher, Mr. Meaner, and his method of mind control that turns students into attentive, obedient, perfect children, it is up to original George and Harold to strike back.

Freddie Ramos tries to use his superpowers to help improve his math grade, and to find the new first-grader, Amy, who has disappeared after being bullied.