What beginners book should I purchase!

Hello,

I have just bought my first Arduino board (Uno) and would like to purchase a beginners book, can someone recommend to me a good beginners book please.

Thanks
Simnix

There is another discussion on this:

http://forum.arduino.cc/index.php?topic=273172.0

and one written by one of the forum moderators:

http://forum.arduino.cc/index.php?topic=196367.0