Readers who enjoy The Keeper of the Isis Light will want to read the other two books in the trilogy: The Guardian of Isis and The Isis Pedlar. Also to be recommended for their environmental and ethical themes are Hughes's novels The Golden Aquarians and The Crystal Drop.

Other contemporary authors whose works may be enjoyed by fans of Monica Hughes are Dave Duncan (especially his three Young Adult novels in The King's Daggers), Eileen Kernaghan (Dance of the Snow Dragon and The Snow Queen), and Julie Lawson.