farming, transport, workshop, medical, survey, dental, postal, records and war graves units, as well as butchers, bakers and leave train cooking sections. Only 409 (7%) of these units have any published unit history. The Unit Guide, in a six volume boxed set, sets out to fill this gap with more than 5,500 profiles of units in the Australian Army during the war (which between them had over 13,700 unit names). Each profile covers what is known of the units formation, role, organisation, movements, operations and place in the Army's hierarchy, including references to the units War Diary at the Australian War Memorial and an extensive Bibliography. Further, there are ORBATS (Orders of Battle) for most of Australias significant campaigns or locations defended by Australian troops such as the defence of NSW (Feb 1942), the Siege of Tobruk, the Bird forces captured by the Japanese, units on the Kokoda Trail, operations in Borneo, and the British Commonwealth Occupation Force (Apr 1946).