I'm about to head off to bed so I thought I'd let you guys know that I managed to stay sober for another day. I was struggling from lunch time onwards but fought the urge. I've found some AA meetings in my area so I might attend one on Wednesday.
Thanks all so much for your help and kind words.
P.S. To CarolD, I found the book you recommended on Amazon and have ordered it, should be here in a few days.