Originally published in 1950 by the Historical Division, European Command, Operational History Branch. The first section of the manuscript deals with the situation in Croatia as well as the military and political organization of the partisans and of the German occupation forces from 1942 on. The second section contains tactical examples of partisan warfare presented in the form of separate narrations, in each of which the German and enemy measures and, where suitable, the practical knowledge gained thereby are set forth. Contents include: the situation in Croatia after 1942, partisan organization in Croatia, German organization and battle command, tactical examples from the partisan war, how the 54th Rifle Regiment performed its mission, the tactics of the partisans, the capture of the Signal Communication Platoon of the 54th Rifle Regiment at Pivnica on 13 July 1943, the mopping up of the Fruska gora by the 9th SS and police regiment between 24 July and 3 August 1943, attack on the garrison of Casinci, attack on Ludbreg, the destruction of the garrison of Casma, four short stories, defense areas, battles for Nasice, even Banja Luka proves impossible to hold, and the Bilo Gora Operation as a test case. This is high quality reprint of the 1950 typescript edition. 96 pages. maps. ill.