It's amazing what you can discover...
- 2008 – ‘Pneu’ tube; budget blues; and the origins of our flag
- 2007 – The man who is Australia; the cost of a kiss; and the legend of Phar Lap
- 2006 – Robert Menzies and Enid Blyton at war; ugly men to the rescue; and more
- 2005 – female trade commissioners; John, Paul, George and Ricky; and a Hills Hoist for the Queen
