Please Don't Eat the Teacher! — Scott Ciencin

Patience McCray finds herself trapped by her new instincts. An impulsive tomboy with a secret crush on a popular boy, Patience finds that her usual obsession with getting Will Reilly's attention has just been replaced with a more pressing matter--trying not to eat her science teacher! Thrown back in time, she's now in the body of an Acrocanthosaurus, the biggest, meanest predator of this prehistoric time!