The book is about young Bertha, a lazy dreamer whose two older sisters support her. The main character Bertha gets involved in a series of tasks, from rescuing a man from drowning to helping save a sick man on a train stuck in a snowstorm; from riding through the night to deliver food to a starving town, enduring a train derailment, to doing her best to find the owner of a quarter-million dollars' worth of diamonds-all of this while serving as a housekeeper and budding writer. Written by Bessie Merchant, the prolific English writer of adventure novels featuring young female heroines, this...