astronautica
I've managed to find a fair amount of information on the dummies.com website about freemasonry (http://www.dummies.com/Section/Content-Search.id-324209.html?query=freemasonry) - the information is fairly straightforward and a good starting point, but it doesn't delve too deeply into any of the symbolism. I'm finding Mackey's Encyclopedia to be an invaluable resource while I'm waiting for my books to arrive