Set of 3 Vintage Dinosaur Books by Elizabeth J. Sandell Dinosaur Discovery Era

Set of 3, excellent condition, Dinosaur Discovery Era hardcover books. Includes Tyrannosaurus Rex: The Fierce Dinosaur, Stegosaurus: The Dinosaur with the Smallest Brain, Archaeopteryx: The First Bird. From Bancroft-Sage Publishing. Each book has 31 pages, lots of text and many full colour pictures. Each book measures 12.25" tall, 9.25" across.