Chronal engine
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.
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.
HarperCollins Publishers · inglés · ISBN 9781299894303
Houghton Mifflin Harcourt Publishing Company · inglés · ISBN 9780547822471
Houghton Mifflin Harcourt · inglés · ISBN 9780544022775
