e, just a memory that Watson has.
             The novel also features Dr. Watson alone for the majority of the book, which "shows the feeling of vulnerability in Holmes' absence...[then] his impact is all the more stronger for it [when he returns]" (Hardwick 256). Granted, Dr. Watson was given last minute injunctions before he left from Holmes, but he was mostly on his own. Therefore, The Hound of the Baskerville features some new elements that would not fit right in the other books. For instance, for Watson to be able to recall the memory so vividly he would have had to be in the main character, almost forcing Watson to be alone. Of course, the main technique used for plot development is deductive reasoning.
             Doyle starts the novel with a simple form of deductive reasoning, having Sherlock Holmes and Dr. Watson find out who left a walking stick at Holmes' house the night before. Holmes asks Dr. Watson to examine the stick and tell him what he thinks of it. Right off the bat he determines he is a somewhat successful medical man, which he deducts from the "C.C.H." mark on the stick, which Watson figures must stand for a hospital of some sorts. The condition of the stick reveals that the person who owned it was a country practitioner, and walked around quite a bit. Watson mentions, "[t]he thick iron ferrule is worn down..." (Doyle 10). Further research from both Watson and Holmes labels the man as a house surgeon or physician, and teeth marks reveals that he also owns a dog. Watson finally looks in a medical book and finds the owner t
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