Lawrence M. Elson, PhD, planned the content and organization, provided sketches, and wrote the text for the book. This is his seventh text, having authored It’s Your Body and The Zoology Coloring Book and co-authored The Human Brain Coloring Book and The Microbiology Coloring Book.

He received his BA in zoology and pre-med at the University of California at Berkeley and continued there to receive his PhD in human anatomy. Dr. Elson was assistant professor of anatomy at Baylor College of Medicine in Houston, participated in the development of the Physician’s Assistant Program, lectured and taught dissection anatomy at the University of California School of Medicine in San Francisco, and taught general anatomy, from protozoons to humans, at City College of San Francisco.