TY - BOOK AU - Matthews,Rupert TI - World's biggest dinosaurs T2 - Extreme dinosaurs SN - 9781410945228 (hb) AV - QE861.5 .M3743 2012 U1 - 567.9 23 PY - 2012/// CY - Chicago, Ill. PB - Raintree KW - Dinosaurs KW - Juvenile literature N1 - Includes bibliographical references and index ER -