Preface by Dr. John Watson -- The case of the viceroy's assistant -- The case of Hodgson's ghost -- The case of the French savant -- An envoy to Lhasa -- The case of Anton Furer -- The giant rat of Sumatra -- A singular affair at Trincomalee -- Murder in the thieves' bazaar -- The mystery of Jaisalmer -- Afterword by Dr. John Watson.