On the distant mining world of New Aries, a young colonist, Jim Marlowe, has acquired a native pet, a "roundhead" he names Willis, which can parrot speech and record visual information. As J... Read allOn the distant mining world of New Aries, a young colonist, Jim Marlowe, has acquired a native pet, a "roundhead" he names Willis, which can parrot speech and record visual information. As Jim and his sister P.J. are about to be sent to a boarding school, their mother Jane, the c... Read allOn the distant mining world of New Aries, a young colonist, Jim Marlowe, has acquired a native pet, a "roundhead" he names Willis, which can parrot speech and record visual information. As Jim and his sister P.J. are about to be sent to a boarding school, their mother Jane, the colony's chief medical officer, discovers that a substance in the deeper mines is killing t... Read all