This is a tough book to review.It's good. Quite good. But David Brin has written better.Kiln People is extremely clever, funny, original, and memorable. It presents a very original idea: a future society in which people can temporarily spin off copies of themselves in clay duplicates, "inloading" the memories from those golems at the end of the day. And in that setting, it incorporates a nicely-handled detective story, as well as more puns and obscure references than you can shake a stick at.At the same time, there's no denying that it's not first-rate Brin. For any other writer (except the greatest ones), I'd give this book a strong 4.2. But I expect more from Brin, so I'll give it a 3.8.It does tend to get a bit metaphysical and