"Twelve-year-old Hope lives in a post World War III town called White Rock where everyone must participate in Inventions Day, though Hope's inventions always fail. Her unique skill set comes in hand when a group of bandits invades the town"--

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.

"Jamie O'Neill loves the colour red. He also loves tall trees, patterns, rain that comes with wind, the curvature of many objects, books with dust jackets, cats, rivers and Edgar Allan Poe. At age thirteen, there are two things he especially wants in life: to build a Perpetual Motion Machine, and to connect with his mother, Noelle, who died when he was born. In his mind these things are intimately linked. And at his new school, where all else is disorientating...

A young aspiring engineer must first conquer her fear of failure.

The stepper enables a person using it to step sideways into another America, another wherever that person happened to be, another Earth. And if the person using it keeps on stepping, they keep on entering even more Earths. This is the Long Earth. And the further away a stepper travels, the stranger -- and sometimes more dangerous -- the Earths become.

Fifth-grader Alex Trumble builds a "dingus"--a time machine--when his brother Stephen is kidnapped by dangerous, evil time-travelers, to get back to the past and into the future to save his family from disaster.

Ten-year-old Harold, the adopted son of a food inventor, discovers that his father's latest invention, soda pop that produces the world's longest burps, also generates furry creatures known as Fizzies.

It's a new school year with the same old problems: the school is going to run out of money! But a local engineering competition might just keep them funded for another year. Can Millie and her friends Pearl and Halinka invent a way out of the mess? With some guidance from their eccentric headmistress Miss Bunsen, anything seems possible.

Second-grader Harry, who loves superheroes and thinks he knows all about them, misunderstands a school assignment and presents a new a superhero invention to his class.

"On the ocean liner Mauretania, two European scientists with a dramatic new invention are barely rescued from abduction by the Van Dorn Detective Agency's intrepid chief investigator, Isaac Bell. Unfortunately, they are not so lucky the second time. The thugs attack again-and this time one of the scientists dies. What are they holding that is so precious? Only something that will revolutionize business and popular culture-and perhaps something more....