《The Space Pioneers》 - 免费有声读物

The fourth book in Grosset & Dunlap's Tom Corbett, Space Cadet series. Tom, Roger and Astro are assigned to help establish a new settlement on the distant planet Roald. Things turn sour for the colonists as greed and corruption take over. Can the three cadets - light years from Solar Guard support - set things right? - Summary by Rich Brown