AMERICAN WW2 FIELD MANUAL MILITARY SANITATION AND FIRST AID

This is an original American military 1942 Field Manual.  Paperback. Field Manual number 21-10.   

As stated on the front of the manual.

War Department
Basic Field Manual
Military Sanitation and First Aid 

Published by the United States Government Printing Office, Washington in 1940, and prepared under the direction of the Surgeon General.