The Orphan Ship by Sterling R. WalkerStranded 225 million kilometers from home on Mars Station, cousins Jake O'Brien and Lorina Murphy are drawn into a fledgling effort to help the hundreds of abandoned street children who call the station home. Jake becomes a medical apprentice in an outreach clinic, while Lorina volunteers at a juvenile shelter. They soon discover that their efforts may be in vain because something much more serious than poverty...