This is the seventh book in “The Second Rover Boys Series for Young Americans,” there having been twenty books in the first series. We are now following the adventures of a new generation of Rover boys who had been sent to boarding school, Colby Hall, when they encounter a rival camp on Big Bear Lake. How about The Rescue From the Biplane, A Quarrel Over a Rowboat, or Six Boys and a Wildcat? - Summary by Larry Wilson