All his life, Dawson has been inventing things, repairing toys in unusual ways, and helping clean up his neighborhood by reusing discarded objects, but when his Vacu-Maniac malfunctions it is his friend Mooey whose brainpower saves the day.

When a scientist working on a top secret invisibility suit goes missing, Alice puts her detective skills to the test to determine if Dr. Lerner disappeared with help from his invention or more sinister means.

"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"--

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.

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.

"Hoping for a friend, Mary invents a way to make a sheep, but when she starts making sheep for her new friends, chaos abounds"--Provided by publisher.

A first entry in a planned duology is set in an alternate-history 1893 America, where a brewing war and the World's Fair in St. Cloud complicate a supernaturally gifted young woman's escape from her domineering father.

After returning to New York from their adventures in the South Pole, Molly, Cassandra, and Emmett are threatened by powerful enemies and go into hiding, but when they discover a plot against presidential candidate Thomas Edison, they decide to make a perilous journey to Washington D.C. to save him.

Retired and living a perfect life with Francesca, Owen Hardy gets pulled into one last mission, with his grandson, for the Watchmaker that takes them to the frozen lands of Ultima Thule, while Marinda undertakes her own mission compiling the story of theWatchmaker and stopping a new group of anarchists.