Travel back in time to the age of the dinosaurs in Abby Howard's Dinosaur Empire : Journey Through the Mesozoic Era, first in the hit nonfiction graphic novel series about prehistoric Earth Ronnie is just a normal fifth grader trying to pass her science class's impossible quiz on the history of dinosaurs . . . until she runs into her neighbor--Ms. Lernin, a retired paleontologist. Ronnie and Ms. Lernin travel back through time...