Return to the prehistoric era and discover a host of creatures both novel and familiar, from the mysterious trilobite to the famed T. rex.Care to meet a dunkleosteus? An apatosaurus? How about the dragonflyesque meganaura? In a collection that's organized chronologically by epoch and is sure to intrigue everyone from armchair dino enthusiasts to budding paleontologists, David Elliott and Matthew Trueman illuminate some of the most fascinating creatures ever to evolve on the earth. Combining poems both enlightening and artful with illustrations perfect for poring over, this volume ensures fascinating trips back to a time as enthralling and variable as any in our planet's evolutionary history.