midnight
Greene began again , glancing toward the door , `` meet me at seven thirty to-morrow night , on the ` rep ' track near the round-house , an ' I 'll show you a trick . '' `` What sort of trick will you show me ? '' With another look over his shoulder at the door the drunkard leaned over the table and whispered . When the old engineer had gathered what the man had said he got to his feet , took his midnight caller by the collar and lead him to the top of the stairs . Greene was opposed to leaving the cheerful room , so Moran was obliged to go with him to the street door . Having put the wreck out into the frosty night the engineer went back to his book . But he could not read .