Read it through once

Tom put on his coat, buttoned his hat under it, threw on his suit of girl's clothes, dropped the veil, blew out his light, locked the room door by which he had just entered, taking the key, passed through his other door into the back hall, locked that door and kept the key, then worked his way along in the dark and descended the back stairs. He was not expecting to meet anybody, for all interest was centered in the other part of the house, now; his calculation proved correct. By the time he was passing through the back-yard, Mrs. Pratt, her servants, and a dozen half-dressed neighbors had joined the twins and the dead, and accessions were still arriving at the front door.