When it comes to the conclusion, I think Gardner does manage to come up with something that struck me as unexpected and I enjoyed learning how the various aspects of the story pieced together. In particular there is one aspect of the solution that struck me as quite ingenious to the point where I wondered if a key piece of information could possibly be accurate, leading me to do a little research. I was very pleasantly surprised to find that it was and I think it does make for a rather elegant solution to what happened to a piece of evidence.
Read my full review at Mysteries Ahoy!