Catseye (Dipple, Book 1)

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Catseye is a 1961 science fiction novel by Andre Norton. It tells the story of a boy living as a member of the underclass in the "Dipple", a deprived part of a colony on a distant planet, who discovers an ancient secret that changes his life.
Catseye is the first of her Dipple series of novels. The other novels in the Dipple series are Judgment on Janus, Night of Masks, and Forerunner Foray.