"A retelling of Cinderella about an indomitable inventor-mechanic who finds her prince but realizes she doesn't want a fairy tale happy ending after all"--

When Uncle Al is kidnapped by Dr. Kron-Tox and sent to prehistoric times, Andrew, his cousin Judy, and Thudd the robot try to use Uncle Al's latest invention, the Time-A-Tron, to rescue him, and learn first-hand about the origins of the universe.

The fifth graders of Liberty Falls Elementary have a reputation for trouble, but they still have a field trip to the mansion of Edward Minks (local inventor, founder of the town, and great-great-great grandfather of fifth-grader Eddie). While there, they search for secret inventions that are rumored to be hidden in the mansion--but they find that they are not the only ones searching, and somehow this class of trouble-makers must work together to thwart...

When Kristoff and the ice harvesters challenge Oaken and his new invention to a friendly contest, Oaken, Elsa, and Anna becomes embroil in a mystery involving a missing ice harvesting machine.

In rhyming text Princess Truly, super girl, uses her magic curls to build things, including a bike for her brother, who has outgrown his old one, and a super snack machine.--

Once a month--every week in the summer--Steve the electrician dons special gear and, with the help of youngsters who live in his building, dives into a dumpster seeking useful objects that they can transform into imaginative new ones.

The Hooligans sneak along when Roxie Warbler goes on a beach vacation with her beloved Uncle Dangerfoot, and soon they uncover the secret invention he has been hiding from his nemesis, Alfred Applejack.--

Griffin Bing and his friends are trying to locate Mr. Fielder's missing thirty million dollar lottery ticket, and thwart the local bully, Darren Vader, who wants to find it for himself--and Mr. Bing's latest invention may help.

Told from multiple viewpoints, well-behaved Ethan Marcus sets off a protest and leads a team in inventing a device to help students tired of sitting all day.

Luthor the Doberman, a former attack dog, has a good home with Savannah Drysdale, but every time a certain truck passes he goes into a frenzy, while Griffin Bing is caught up in trying to beat his rival, Darren Vader, at an invention contest.