I saw this recommended on another forum as a prep download. I haven't yet checked the chapters out; it's ~ 256 pages long. I'm sure not all would be of interest to the average prepper but there should be some good tips that we all could use.

http://xa.yimg.com/kq/groups/1498276...icalTrauma.pdf

Second edition
Edited by
Kenneth D Boffard
Professor and Head
Department of Surgery
Johannesburg Hospital
University of the Witwatersrand
Johannesburg
South Africa