As the Industrial Revolution roils London, "a daring pair of Regency sleuths tackle a series of coldblooded murders" in this historical mystery (Kirkus Reviews).

When the eminent scientist Lord Wrexford discovers the body of a gifted inventor in a dark London alley, he promptly alerts the authorities. But Wrexford soon finds himself drawn into the murder investigation when the inventor's widow tells him that the crime was...

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.

"Robots on strike! Sammy's underappreciated mechanical helpers cause chaos in the house! It's up to Sammy and his disabled sister Maddie to keep the peace until his inventor mom reveals her secret project ... and why it was worth the wait"--

Allie Fox, the brilliant and paranoid inventor takes his family to live in the Honduran jungle, determined to build a civilization better than the one they left. Fleeing from an America he sees as mired in materialism and conformity, he hopes to rediscover a purer life. His utopian experiment takes a dark turn when his obsessions lead his family towards unimaginable danger.

The only legitimate child of Lord Byron, the most brilliant, revered, and scandalous of the Romantic poets, Ada was destined for fame long before her birth. Estranged from Ada's father, who was infamously "mad, bad, and dangerous to know," Ada's mathematician mother is determined to save her only child from her perilous Byron heritage. Banishing fairy tales and make-believe from the nursery, Ada's mother provides her daughter with a rigorous education...

Ben, Zara, Sam, and Marcia begin their summer vacation by helping Professor Ampersand and a new friend build the Silver Turtle, a futuristic airplane, but on the day the first test flight is planned, a strange woman steals the airplane with the children inside.

Competing in the Pookesville science contest, nine-year-old inventor Freddy Funkhouser builds a time machine to try to outwit rival Adam Spanker, whose volcano is set to annihilate the Funkhauser restaurant.

"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...

"For years, Martha York has been fascinated by a man she's never met--Jordan Hamilton, the new Duke of Roth and prot©♭g©♭ to her inventor father. Could the elusive gentleman possibly live up to his brilliant letters? When Martha travels to his estate to carry out her father's last bequest, she discovers that the answer is a resounding yes, for the duke's scientific mind belies a deep sensuality..."--

Superhero Veggieman, better known as Wedgieman, faces off against Bad Dude, an inventor whose Make-Things-Disappear Machine causes trouble on the playground.