Holt McDougal Earth Science Review Guide, Spanish 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: Softcover, 64 Pages ISBN-13/EAN: 9780554016245 ISBN-10: 0554016249 Product Code: 1084368 National/State: National Copyright Year: 2010