Hole's Essentials of Human Anatomy & Physiology
David Shier teaches at Washtenaw Community College in Ann Arbor, Michigan and is the biology department chair.  He received his Ph.D. in physiology from the University of Michigan.Jackie Butler is chair of the Department of Science at Grayson County College.  She did her graduate studies in Neuroscience at the University of North Texas.Ricki Lewis is the author of Human Genetics, founding author of Life, and co-author of two human anatomy and physiology textbooks, all published by McGraw-Hill Higher Education. She is also the author of the essay collection Discovery: Windows on the Life Sciences and the novel Stem Cell Symphony, and many magazine and journal articles.  Dr. Lewis teaches “Genethics” at the Alden March Bioethics Institute of Albany Medical Center, and is a genetic counselor with CareNet Medical Group in Schenectady, New York.