This article is from the Real Ale FAQ, by with numerous contributions by Brett Laniosh others.
A: Yes as long as you don't overdo it. The more specific you are about
your itinerary, the better the chance of getting specific recommendations.
You'll frequently be recommended to get a copy of the CAMRA Good Beer
Guide, which contains details of real ale pubs recommended by CAMRA
members. See Part 8 Resources for more details.