The Ear ID eBook provides a comprehensive introduction to the structure of the human ear. Included in the Ear ID are 12 animations and 120 detail illustrations. Within the multimedia capabilities of this eBook is easy access to 99 glossary entries of terms and definitions, fully cross-referenced. A knowledge check is provided at the end of each chapter section to let readers test their knowledge using a variety of question types; multiple choice, choose the correct image and label the image. The advantage offered by an eBook is that authors may employ a variety of multimedia tools to portray the concepts being addressed. The ability to insert “post it” notes into the text assists the reader in making comments, forming questions, and later returning to crucial sections in the chapters for clarification. As such, the eBook format is ideally suited as an introductory course in the human auditory systems.