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,
750L Lexile|||juvenile
by Greg Leitich Smith ; illustrated by Blake Henry.
"A prehistoric time-travel adventure"--Jacket.
Includes bibliographical references.
Accelerated Reader AR MG 4.8 5 149983.
