Before you purchase, check with your instructor or review your course syllabus to ensure that your instructor requires WileyPLUS. If your course ID starts with an "A" your class is using the next generation of WileyPLUS. This packages includes a loose-leaf edition of Principles of Anatomy and Physiology, 15th Edition, a registration code for WileyPLUS (next generation), and 12 months access to the eTextbook edition as part of the course (accessible online and offline). For customer technical support, please visit http: //www.wileyplus.com/support. WileyPLUS registration cards are only included with new products. Used and rental products may not include WileyPLUS registration cards. The phenomenally successful Principles of Anatomy and Physiology continues to set the discipline standard with the 15th edition. Designed for the 2-semester anatomy and physiology course, Principles of Anatomy and Physiology combines exceptional content and outstanding visuals for a rich and comprehensive classroom experience. Enhanced for a digital delivery, the 15th edition, gives students the ability to learn and explore anatomy and physiology both inside and outside of the classroom.