Annotation: Igneous rocks are created with magma cools down and crystallizes. This book introduces readers to different kinds of igneous rocks, such as basalt and granite, and explains how such rocks are formed. Readers will also gain a deep understanding of the rock cycle and how igneous rocks fit into it. Detailed color photographs and accessible hi-lo text introduce igneous rocks to readers, while graphic organizers and fact boxes highlight particularly exciting information. This book will show readers why igneous rocks...rock!