Twenty-nine years on earth and today was the first time I've heard of Petals Around The Rose. It took me about 15-20 minutes before the "aha" moment struck. Great fun.
Puzzles
A collection of 2 posts
How Many Witches In The Town?
I love this sort of logic puzzle: http://blogs.msdn.com/AdiOltean/archive/2005/03/28/403080.aspx