Crystals are fascinating, and so is the rock cycle that makes them! Hit the road to discover the rock cycle, the science behind this incredible process, and why it is responsible for the rock stars that are crystals. Read case studies that reveal the best places on Earth to see different types of crystals, discover how you can find and identify crystals, and take the ultimate knowledge test with the rock cycle road trip quiz! Sarah Eason  has written a wide variety of information books for children on many topics from history and geography through space science and social sciences.