"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"--

"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 1890s, Conor and his family live on the sovereign Saltee Islands, off the Irish coast. He spends his days studying the science of flight with his tutor and exploring the castle with the king's daughter, Princess Isabella. But the boy's idyllic life changes forever the day he discovers a deadly conspiracy against the king. When Conor tries to intervene, he is branded a traitor and thrown into jail on the prison island of Little Saltee. There,...

"From an early age, Franz Gsellmann is drawn to machines like the family cuckoo clock. He hears a tiny whisper calling him to imagine, discover, create... but growing up on a farm in rural Austria means there's no time for playing and imagining. Despite having to quit school to do farm work, Franz never loses his urge to invent. He collects hundreds of parts and interesting materials, often working late into the night to build them into something...

During the Revolutionary War, fourteen-year-old Nathan joins forces with his older cousin, the inventor David Bushnell, to secretly build the first submarine used in naval warfare.