Two heads...Are dumber than one.

Franny K. Stein is not your average girl—she’s a mad scientist. She prefers poison ivy to daisies, and when Franny jumps rope, she uses her pet snake. The k

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.

Goosebumps and Bill Nye the Science Guy fans, meet Franny! There’s nothing better than being a mad scientist—at least according to Franny. So she’s making

Fans of Goosebumps and Bill Nye the Science Guy will fall head over heels for Franny K. Stein, who is back with another laugh-out-loud experimental adventure in