Holt McDougal Earth Science Review Guide Holt McDougal Earth Science With an emphasis on inquiry, critical thinking and problem solving, Holt McDougal Earth Science provides students with opportunities to observe and apply the scientific processes necessary for Earth science mastery. Grades: 9-12 Material Type: Student Materials, Resource Materials Format: Softcover, 64 Pages ISBN-13/EAN: 9780554016191 ISBN-10: 0554016192 Product Code: 1084353 National/State: National Copyright Year: 2010