Books with title Spies, a Gander's Cover Mystery

1942. The Japanese have bombed Pearl Harbor. The Germans are sinking ships off the American coast. Now, mysterious ships have been seen off shore at night. Mr. Green, the school's principal, has disappeared under unexplained circumstances. As the citizens of Gander's Cove collect scrap metal to aid the war effort, they are unaware of the new menace threatening their security...German spies! Bristol Petersen Gander and his Crime Stoppers Club must discover the spy's identity and mission before it is too late for Gander's Cove and ...America! First in the Gander's Cove Mystery Series

It is 1942 and America has been at war with Germany and Japan for a year. Overseas, the military is preparing to launch a counterattack against the enemies/ shores. At home, civilians are rationing to help provide scarce resources to the war effort. Black markets have sprung up with the use of fake ration books and stamps. When fake ration stamps appear in Gander's Cove, Crime Stopper Agent 3, Flannery Banes, is thrown into the middle of the investigation. She soon discovers most of the town seems to be involved, including her own father! It is up to Flannery and the Crime Stopper Club to discover the ringleader and... Stop the Traitors! [Second in the Gander's Cove Mystery Series]