to my remarkable companion in a single glance.
"Affluent, yes," said Holmes, with a mischievous grin, "but not exactly a banker, Watson. Notice the sagging pockets, despite the excellence of his clothing, and the rather exaggerated madness of his eye. He is a collector, or I am very much mistaken."
"My dear fellow!" I exclaimed. "At his age and in his station! And why should he be seeking us? When we settled that last bill—"
"Of books," said my friend, severely. "He is a professional book collector. His line is Caxtons, Elzevirs, Gutenberg Bibles, folios; not the sordid reminders of unpaid grocery accounts and tobacconists' debits. See, he is turning in here, as I expected, and in a moment he will stand upon our hearthrug and tell us the harrowing tale of an unique volume and its extraordinary disappearance."
His eyes gleamed and he rubbed his hands together in profound satisfaction. I could not but hope that Holmes's conjecture was correct, for he had had little to occupy his mind for some weeks, and I lived in constant fear that he would seek that stimulation his active brain required in the long-tabooed cocaine bottle.
As Holmes finished speaking the man's ring at the doorbell echoed through the apartment;
