Holt McDougal Earth Science Student One-Stop CD-ROM 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: Student Materials Format: CD, 4 Pages ISBN-13/EAN: 9780554015873 ISBN-10: 0554015870 Product Code: 1084339 National/State: National Copyright Year: 2010