He has published in Pacific and Australian history and is a specialist in Queensland, Melanesian and gender history. His most recent books are Happy Isles in Crisis: The Historical Causes for a Failing State in Solomon Islands, 1998-2004 (2004), New Guinea: Crossing Boundaries and History (2003) and Sunshine and Rainbows: The Development of Gay and Lesbian Culture in Queensland (2001). His current major projects are a history of Malaita Province, Solomon Islands, and a Historical Dictionary of the Solomon Islands.