Earth Science Reading Study Guide Holt McDougal Earth Science This Reading Study Guide supplies review questions, visuals, and easy-to-read chapter summaries that help students prepare for tests and check comprehension. Grades: 9-12 Material Type: Student Materials Format: Softcover, 144 Pages ISBN-13/EAN: 9780618192175 ISBN-10: 0618192174 Product Code: 201612 National/State: National Copyright Year: 2002