Tracking Tyrannosaurs : meet T. rex's fascinating family, from tiny terrors to feathered giants

Discoveries have turned up incredible new kinds of tyrannosaurs with horny faces, large crests, long snouts, and other fascinating features. The most amazing new find? A feathered giant that some are calling a woolly tyrannosaur! Get ready to meet this fearsome family.

Bibliographic Details
Main Author: Sloan, Christopher
Format: BOOK
Language:ENGLISH
Published: National Geographic 2013
Series:National Geographic kids
Subjects: