Did you know if you look at a grain of salt through a microscope, you can see its crystal shape? Young readers discover even more riveting facts like this as they read about the crucial rock forms all around them, from the ground they walk on to the rocks that a volcano is made up of. Achievable text and fact boxes accompany the visuals to create a fully immersive experience for readers to dig beneath the surface. Craft projects engage readers with the scientific content, accompanied by full-color photographs and understandable instructions for readers to follow.