I am going to try reading this book regularly, to let my boy get used to the idea of a new bb, link the story to real life to help him visualise things a bit… the pictures should do a better job than my talking....
http://www.amazon.com/Im-Big-Brother-Joanna-Cole/dp/0688145078
http://www.amazon.com/Im-Big-Brother-Joanna-Cole/dp/0688145078