What do you think?
Mass Extinctions: One Theory of Why the Dinosaurs Vanished
Explains various theories about how dramatic changes in the earth's surface could have caused periodic mass extinctions, with an emphasis on the disappearance of the dinosaurs.
96 pages, Library Binding
First published January 1, 1986
Ratings & Reviews
Friends & Following
Create a free account to discover what your friends think of this book!
Community Reviews
No one has reviewed this book yet.