The Colors of Space was Marion Zimmer Bradley"s third published book. The story revolves around Bart who is enlisted to find the secret of the Lhari warp-drive fueling material. He surgically alters his appearance to pass as a Lhari and ships out as a crew member on a Lhari ship. During the trip comes to question the moral rightness of stealing the secret. Marion Eleanor Zimmer Bradley was an American author of fantasy novels such as The Mists of Avalon and the Darkover series.