From the award-winning creators of An Egg Is Quiet, A Seed Is Sleepy, and A Butterfly Is Patient comes a gorgeous and informative introduction to the fascinating world of rocks. From dazzling blue lapis lazuli to volcanic snowflake obsidian, an incredible variety of rocks are showcased in all their splendor. Poetic in voice and elegant in design, this book introduces an array of facts, making it equally perfect for classroom sharing and family reading.