Well, really, this is a very pretty little mystery! What do you intend to do, Miss Morstan?" That is exactly what I want to ask you." "Then we shall most certainly go - you and I and - yes. why Dr. Watson is the very man. Your correspondent says two friends. He and I have worked together before." "But would he come?" she asked with something appealing in her voice and expression. "I shall be proud and happy," said I fervently, "if I can be of any service." "You are both very kind," she answered. "I have led a retired life and have no friends whom I could appeal to. If I am here at six it will do, I suppose?" "You must not be later," said Holmes. "There. is one other point, however. Is this handwriting the same as that upon the pearl-box addresses?" "I have them here," she answered, producing half a dozen pieces of paper. "You are certainly a model client. You have the correct intuition.