"Golden Mask of Mars" (Outlaws of Mars) is a science fiction novel by Otis A. Kline. It is an adventure story set on Mars, where the protagonist gets caught up in a conspiracy surrounding a golden mask. The cover features an attractive illustration by Takebe Motoichiro. - Author: O.A. Kline - Price: 240 yen - Condition: Signs of age There is age-related tanning, but it does not affect readability. There are no tears or creases. Please understand that this is a used item before purchasing. Thank you for looking.