Last week, I met a lovely lady in one of my favourite stores, The Rose Street Trading Co. She had one of my travel books on display and I thanked her profusely. (Which is what all authors should do.) "Oh, how I'd love to go overseas!" she said sadly. "But we just can't. We have two children, and they come with private school fees..." "Well, you're very lucky," I said sadly. "We'd love to have two