In his Grandpa Al's garage workshop, child genius Frank Einstein tries to invent a robot that can learn on its own, and after an accident brings wisecracking Klink and overly expressive Klank to life, they set about helping Frank perfect his Antimatter Motor until his archnemesis, T. Edison, steals the robots for his doomsday plan.

"Fifth-grader Sammy Hayes-Rodriguez struggles to fit in when his inventor mother requires him to take her latest creation, a robotic 'brother,' to school with him to learn to become a student"--

When Norton and Marigold Bicker's time machine backfires, their children, twelve-year-old Marie and nine-year-old Eddie, try to save them as they mentally become younger and younger.

"Fenna Vos has learned to focus on her own surviva-l-even now, with the Second World War raging in faraway countries. She works on-stage as the assistant to an unruly escape artist--behind the curtain as the mastermind of their act. After all, her honed ability to control her surroundings and elude entrapments, physical or otherwise, reliably suppresses the trauma and tragedy of her youth. For all her calculations, however, Fenna neglects to foresee...

Chronicles the notable departures made by the 5 daughters of the house from Broadsmoor Valley, beginning with adopted daughter Deirdre Zinn, who is abducted in broad daylight.

"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"--

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.

The Numerozzi family leads an unusual life due to some of the inventions built by Mrs. Numerozzi.

When an evil professor begins threatening New Mouse City with terrible inventions, Geronimo Stilton is enlisted by local authorities to embark on a top-secret mission to outer space to thwart a nefarious plot.

"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"--