Stories in this volume include The Martian Monster, in which a 9-year-old boy befriends a Martian in the woods and asks him to kill his stepmother ― but the Martian convinces him that it''s really his father who he should target. There''s sharp social commentary in …And Then There Were Two! (highly intelligent robots unveil a plan for world peace, but political opportunists launch an anti-robot campaign to discredit them) and Prediction of Disaster! (an astronomer concludes that our sun is about to go nova and tries to warn the world).