This simple non-fiction book for very young children is filled with facts about dinosaurs. Little children can lift the flaps and peep through the holes in the pages to find out where dinosaurs lived, what they ate and what happened to them. This simple non-fiction book for very young children is filled with facts about dinosaurs. Little children can lift the flaps and peep through the holes in the pages to find out where dinosaurs lived, what they ate and what happened to them.