Holt McDougal World History: Patterns of Interaction © 2008 Ohio Teacher Edition Modern World History World History: Patterns of Interaction World History: Patterns of Interaction is a highly integrated, high school world history textbook program that provides teachers with a practical and motivational approach to help students think critically and reflectively. Grades: 9-12 Material Type: Teacher Materials Format: Hardcover, 1072 Pages ISBN-13/EAN: 9780618923212 ISBN-10: 0618923217 Product Code: 1016195 National/State: Ohio Copyright Year: 2008