Sea Monsters of Long Ago
Millicent E. Selsam, John Hamberger
Hardcover
(Four Winds Press, March 15, 1977)
1977 Four Winds Press, NY. Hardcover with dust jacket. In lively, easy-to-understand style, the author tells how scientists discovered that these ancient reptiles existed...what they looked like...how they had their young...how large they were...and much more.