Have you ever had the chance to put your foot into a dinosaur track? Wow! Amazing! But, how did that track get formed and just how long ago did these dinosaurs roam the Earth? This is another of the simply written yet highly informative Let's Read and Find Out Science books. This one answers lots of great questions about how the tracks were made and how the Earth hid them away for millions of years. Fascinating and wonderful for young inquiring minds. 32 pages Ages 5-8