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ISBN 978-1-259-91696-0 (combined bound edition) MHID 1-259-91696-0 (combined bound edition) ISBN 978-1-260-15855-7 (combined loose-leaf edition) MHID 1-260-15855-1 (combined loose-leaf edition) ISBN 978-1-260-15860-1 (principles bound edition, chapters 1-17) MHID 1-260-15860-8 (principles bound edition, chapters 1-17) ISBN 978-1-260-15861-8 (principles loose-leaf edition, chapters 1-17) MHID 1-260-15861-6 (principles loose-leaf edition, chapters 1-17)
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