Jamesrafferboy
Good book I read was Graham Duke - Air traffic Control 9th Edition...think everyone on here has read it! Very helpful however don't use it for aircraft recognition....there is a pic of a Boeing in there which has been stated that it is a B747...it very clearly isn't! There are a few other bits in there that don't quite add up but on the whole its a good read.
Hope this helps and good luck!