There are several e-books available on-line that have comprehensive information about the whole human biology or complete information about a certain discipline related to human biology. You can either download them in PDF, HTML or Txt format or you can simply read them on line. Some provide free service where you can download some e-books free whereas some of them charge a small fee to download e-books.
It is not possible to have all the books you require but internet has made it easy and every e-book is just a click away. There are books on human anatomy and physiology, evolution, histology, cell biology, Human Senescence, paleobiology, socioecology, genetics, reproduction and development, health and disease, primates and many more related to human biology. some of the e-books come with features like video, gifs, forms and sounds. They can be used as reference material for different projects and can be helpful in studies.
Some of the e-books that have imparted knowledge to many online are Introduction to Biophotonics, Instincts, Schaum’s Outline of Immunology and the Cambridge Dictionary of Human Biology and Evolution.