Millions of years ago life on Earth was abundant--but it was very different from the organisms we know today! In this fascinating set, readers encounter amazing dinosaurs, huge reptiles, odd insects, terrifying birds, and more that lived in prehistoric swamps, deserts, and forests. Some they may have heard of--others may be totally new. Age-appropriate content and language allow elementary readers to travel back in time to discover these incredible living things and begin to understand how life on Earth evolved over time. A concluding timeline sums up what they have learned.
