Robert Squier

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this large, plant-eating dinosaur.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this dinosaur with the sail-like spine.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this small, bird-like dinosaur.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this huge plant-eating dinosaur with the long neck and tail.

An illustrated version of the classic American song about Yankee Doodle and his role in the American Revolution.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this armor-plated dinosaur.