The Chronal Engine

By Greg Leitich Smith

Subjects: Kidnapping, Time travel, Dinosaurs, fiction, Twins, Kidnapping, fiction, Brothers and sisters, Science fiction, Fiction, Grandfathers, Texas, fiction, Paleontology, Children's fiction, Dinosaurs, Twins, fiction, Time travel, fiction, Brothers and sisters, fiction, Grandparents, fiction

Description: Eighth-grader Max, his older brother Kyle, and new friend Petra travel in time to the Cretaceous period to rescue Kyle's twin, Emma, who was kidnapped from their grandfather's Texas ranch. Includes author's notes about the facts behind the story,