Or The Trials and Triumphs of a Young Engineer
RALPH, THE TRAIN DISPATCHER
Or The Mystery of the Pay Car
RALPH ON THE ARMY TRAIN
Or The Young Railroader’s Most Daring Exploit
RALPH ON THE MIDNIGHT FLYER
Or The Wreck at Shadow Valley
RALPH AND THE MISSING MAIL POUCH
Or The Stolen Government Bonds
GROSSET & DUNLAP, Publishers, New York