In the late nineteenth century, when Conor Broekhart discovers a conspiracy to overthrow the king, he is branded a traitor, imprisoned, and forced to mine for diamonds under brutal conditions while he plans a daring escape from Little Saltee prison by way of a flying machine that he must design, build, and, hardest of all, trust to carry him to safety

In the summer of 1851, with encouragement and ideas provided by his family, an inventor builds a working submarine and takes his family for a ride. Includes notes about Lodner Phillips, the real inventor on whom the story is based

Nicolette's awful stepsisters call her "Mechanica" to demean her, but the nickname fits: she learned to be an inventor at her mother's knee. Her mom is gone now, though, and the Steps have turned her into a servant in her own home. But on her sixteenth birthday, Nicolette discovers a secret workshop in the cellar and begins to dare to imagine a new life for herself. Could the mysterious books and tools hidden there -- and the mechanical menagerie,...

Aspiring inventor and magician's apprentice Felix Carmer III is aided by Grit, a fiery, flightless faerie princess, in winning a magic competition, in exchange for him helping Grit investigate a string of faerie disappearances.

"Frank Einstein (kid-genius scientist and inventor) and his best friend, Watson, along with intelligent robots Klink and Klank once again find themselves in competition with T. Edison, their classmate and archrival--this time in the quest to unlock the power behind the science of energy"--

"Tate Archer outruns armed government officials as he tries to keep his now dead father's strange invention out of the wrong hands, alien hands"--

Boy genius and inventor Frank Einstein and his robot pals Klink (intelligent) and Klank (sort-of intelligent) study the science of ecology and conservation as they try to stop classmate and archrival T. Edison and his loggers from destroying the Midville Forest Preserve.

Lonely after his two brothers are eaten by the Big Bad Wolf, Dr. Smart Pig invents a wolf-proof friend to keep him company on Halloween

"The kids at Benjamin Banneker College Prep are a little... competitive. Okay. They're a LOT competitive. The minute Principal Yee announces an epic competition for the golden B-B trophy, seventh-grader Frederick Douglass Zezzmer knows he has to win. But it won't be easy. The competition doesn't just include science, technology, engineering and math. It also has arts and sports. Not Doug's best subjects... With only a week to go, Doug launches a quest...

In the early twentieth century, five sisters and their widowed mother, a famed spiritualist, travel from New York to London, and as the Titanic conveys them and their acquaintances--journalist W.T. Stead, scientist Nikola Tesla, and industrialist John Jacob Astor--home, Tesla's inventions will either doom or save them all