So, I heard on tv the other night that there's going to be a "blue moon" this month-- which led me to do some research. 

I read a romance novel about a year ago about the "magical" happenings that occur during a blue moon, but I wasn't able to find anything concrete about that.

Here is what I did find:

http://en.wikipedia.org/wiki/Blue_moon

edit:

Here is the book I read:  Star Quality