Holt McDougal Earth Science Guided Reading Audio CD Program Holt McDougal Earth Science With an emphasis on inquiry, Holt McDougal Earth Science provides students with opportunities to observe and apply the scientific processes for Earth science mastery. Grades: 9-12 Material Type: Resource Materials Format: CD, 12 Pages ISBN-13/EAN: 9780554016733 ISBN-10: 0554016737 Product Code: 1084348 National/State: National Copyright Year: 2010