Book Review: One of Our Asteroids is Missing | The Twisted Men by Robert Silverberg (writing as Calvin M. Knox) and A. E. Van Vogt, respectively. This is another Ace Double, two books in one, upside down from each other. According to Larry Niven, during the 1960s Ace Books was known for being particularly skinflint… Continue reading Book Review: One of Our Asteroids is Missing | The Twisted Men