Holt McDougal Biology Interactive Reader With Vocabulary Word Games CD-ROM Houghton Mifflin Harcourt Biology The Interactive Reader is a working text for below-level readers and presents all essential content from the textbook through easy-to-read text and instructional visuals. Grades: 9-12 Material Type: Resource Materials Format: Softcover ISBN-13/EAN: 9780547080062 ISBN-10: 0547080069 Product Code: 1042611 National/State: National Copyright Year: 2008