This I-Spy guide features over 70 species of dinosaurs and other prehistoric animals, including fishes, amphibians and mammals that punctuated life on earth across 500 million years from the early Triassic to the late Cretaceous. From the giant Diplodocus to the terrifying Tyrannosaurus, each dinosaur in this book is illustrated with a colour photograph accompanied with a short and factual description. You can score points by spotting the different entries in the book. Score 1000 points and you can apply for your I-Spy Certificate. There are a lot of opportunities to spot and score in this and all the other I-Spy Books!