Houghton Mifflin English Student Book Grade 4 Houghton Mifflin English Textbooks Houghton Mifflin English weaves grammar, usage, and mechanics into the writing process. Its flexible format encourages students to communicate by getting them involved... with every word. Grade: 4 Material Type: Student Materials Format: Hardcover, 528 Pages ISBN-13/EAN: 9780395502648 ISBN-10: 0395502640 Product Code: 121714 National/State: National Copyright Year: 1990