Ada Twist is a very curious girl who shows perseverance by asking questions and performing experiments to find things out and understand the world.

When Octavian hears that Lord Dunmore, governor of Virginia, will free all slaves who join his "Ethiopian Regiment," the recent runaway gladly signs up. Upon enlisting, Octavian is reunited with his friend Pro Bono. The two comrades, who once shared a master, are thrilled to meet again, but their joy quickly subsides.

Franny K. Stein is a mad scientist who prefers all things spooky and creepy, but when she has trouble making friends at her new school she experiments with fitting in--which works until a monster erupts from the trashcan.

On a cold day in February, a stranger arrives in the village of Iping. He wears gloves and dark glasses, even inside, and his face is covered in bandages. Soon crimes occur that cannot be explained, and the townspeople realize the unthinkable truth: the strange man is invisible--and he is slowly going mad.

Various diaries, letters, and other manuscripts chronicle the experiences of Octavian, a young African American, from birth to age sixteen, as he is brought up as part of a science experiment in the years leading up to and during the Revolutionary War.

Frannie tries to prevent chaos when her new lab assistant, Igor, a dog of many breeds, accidentally lets loose a giant, fifty-foot, arrow-shooting cupid. Franny's mom says every mad scientist needs a lab assistant. So for Valentine's Day Franny gets just that -- a Lab assistant. Except Igor isn't a pure Lab. He's also part poodle, part Chihuahua, part beagle, part spaniel, part shepherd -- and all thumbs. Franny is fuming. She doesn't even need an...

When Franny Stein, self-styled mad scientist, creates a robot to show her school friends the joys of science, she ends up learning something from them instead. There's nothing better in the world than being a mad scientist-at least according to Franny. And she's absolutely convinced that, if given the opportunity to be one, every kid in her class would feel the same way. So she's making it her mission to help her classmates discover their own inner...