How Tough Was a Tyrannosaurus?
Subtitle: More Fascinating Facts About Dinosaurs
Publisher: Bt Bound
Published: October 1999
Language: eng
Format: Library Binding
ISBN-13: 9780613030397
Subjects: Dinosaurs; Juvenile literature; Miscellanea; Questions and answers; Children: Grades 2-3
First sentence: Dinosaurs lived during the period that scientists call the Mesozoic (mez-uh-ZOH-ick) era, or "middle" age.