The Politics of War. Sydney: HarperCollins. 2003. p. 750. ISBN0-7322-7333-1. Completely revised and updated edition bringing together two earlier works: The Great Betrayal and Reluctant Nation.
Conquest: A New History of the Modern World. Sydney: HarperCollins. 2005. p. 370. ISBN0-7322-7765-5.
The Weather Watchers: 100 years of the Bureau of Meteorology. Carlton: Melbourne University Publishing. 2007. p. 530. ISBN978-0-522-85275-2.
The Story of a Prime Minister: Paul Keating, a Biography. Sydney: HarperCollins Australia. pp. 576. ISBN978-0-7322-8425-1.
Maurice Blackburn: Champion of the People. Melbourne: Scribe. 2019. ISBN978-1-925713-78-7.
With others
Day, David; Australian Customs Service (1992). Smugglers and Sailors: The Customs History of Australia, 1788–1901. Canberra: Australian Government Publishing Service Press. p. 528. ISBN0-644-24751-7.
Day, David; Australian Customs Service (1996). Contraband and Controversy: The Customs History of Australia from 1901. Canberra: Australian Government Publishing Service Press. p. 558. ISBN0-644-33151-8.
^"Dr David Day". Academy Fellows. Academy of Social Sciences in Australia. 1 May 2011. Archived from the original on 21 March 2012. Retrieved 2 January 2012.