Describes the various smaller prehistoric creatures that lived alongside the dinosaurs, including early crocodilians, shrewlike mammals, spiders, dragonflies, primitive frogs, and flying reptiles.
Describes the probable eating habits of various dinosaurs, including carnivores, herbivores, fish-eaters, scavengers, and cannibals, based on the size and shape of their fossilized teeth and the remains found in their stomach cavities.