Published by the Službeni glasnik, a new book by Dr. Milan Terzić, Director of the Archives of Yugoslavia, has been released under the title “Challenges of Wartime Cooperation: The Yugoslav Battlefield, the Partisan Movement, and Missions of the Western Allies 1943–1945.” ("Izazovi ratne saradnje. Jugoslovensko ratište, partizanski pokret i misije zapadnih saveznika 1943–1945“). The publication is the result of extensive archival research and offers insight into the developments and shifts in Allied support during World War II. It builds upon his previous work, “The Struggle for Information. Radio Communications and Dispatches of the Yugoslav Royal Government and Draža Mihailović 1941–1944" ("Borba za informacije. Radio-veze i depeše Jugoslovenske kraljevske vlade i Draže Mihailovića 1941–1944“).