The story of one man's determined search to unlock the mysteries of animals that roamed the earth 280 million years ago, long before the dinosaurs.

Written primarily for the avid amateur and beginning professional paleontologist, this pictorial guide offers the information necessary to correctly identify and interpret the significance of their discoveries.

A wide-ranging volume of analytic and methodological essays on microvertebrate fossils.

An exciting journey through the history of life and the part our continent has played in it all.

A journey to a time when sea monsters roamed an ocean in the middle of America.

Studies of vertebrate cave life during the North American Ice Age.

Major advances in our understanding of the history of life on Earth have resulted from the study of exceptionally well-preserved fossil sites.