the problem of thor bridge

SHERLOCK HOLMESTHE PROBLEM OF THOR BRIDGEby Sir Arthur Conan DoyleSomewhere in the vaults of the bank of Cox and Co., at CharingCross, there is a travel-worn and battered tin dispatch-box with myname, John H. Watson, M. D., Late Indian Army, painted upon the lid.It is crammed with papers, nearly all of which are records of cases toillustrate the curious problems which Mr. Sherlock Holmes had atvarious times to examine. Some, and not the least interesting, werecomplete failures, and as such will hardly bear narrating, since nofinal explanation is forthcoming. A problem without a solution may...。...
    PS：再请大家收藏与推荐本书，谢谢。
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