I find that when I try to follow "proper" OO concepts I end up with a gazillion objects. I attempt to use the IS-A, HAS-A, and CAN-DO relationships that Kathy Sierra and Bert Bates expound. Sometimes I feel I'm taking the concepts too far. Do you have any advice on when to merge objects? Does your book cover this?
You know it is dark times when the trees riot. I think this tiny ad is their leader: