Easy-to-read text, simple infographics, and fun facts create a basic explanation of rocks and how they form. Young readers will begin to learn about the different kinds of rock, and why some sparkle while others are rough. Other features include a table of contents, Making Connections questions, a glossary, and an index. QR Codes in the book give readers access to book-specific resources to further their learning. Aligned to Common Core Standards and correlated to state standards. Cody Koala is an imprint of Pop!, a division of ABDO.