Charlie Chan, five complete novels Book

These novels surprised me. I guess the old movies made me think that these books would be really awful, but the puzzles are fairly intricate, the descriptive writing is quite good. They are, of course, very much of their time - the 1920s. I guess I never realized that they were mostly (at least these five novels are) based primarily in Honolulu or San Francisco with diversions to Tahoe and the desert. At least none of these five novels includes Charlie's son, which is one of the things that the movies have. In each one, there is usually a romantic side story with a young man and a young woman, usually a quite liberated young woman for those days. And Charlie is not really a caricature. He actually reminds me a good deal of Hercule Poirot or maybe it's the other around.