Download or read book Ellis's Primary Physiology; Or, Good Health for Boys and Girls written by Edward Sylvester Ellis and published by Good Press. This book was released on 2019-12-19 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Ellis's Primary Physiology; Or, Good Health for Boys and Girls" by Edward Sylvester Ellis is a book that focuses on teaching children the basics of physiology and health. The author, Edward Sylvester Ellis, was an American author who wrote many adventure stories for boys, as well as educational books.