The Hardy Boys' Mysteries #12: Footprints Under the Window Author: Franklin W. Dixon Retail Price: $10.99 Our Price: $8.49 Save: 2.50 (22.75%) Availability: In Stock        A plot to steal a stop secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. The whereabouts of their famous detective father is a mystery, so Frank and Joe are on their own to foil the plotters. Recommended for ages 8 to 14. Similar Items you may enjoy! Hardy Boys 12: Footprints Under the Window: Footprints Under the Window - eBook Author: Franklin W. Dixon Our Price: $6.99 The Hardy Boys' Mysteries #2: The House on the Cliff Author: Franklin W. Dixon Our Price: $8.49 The Hardy Boys' Mysteries #3: The Secret of the Old Mill Author: Franklin W. Dixon Our Price: $8.49 The Hardy Boys' Mysteries #7: The Secret of the Caves Author: Franklin W. Dixon Our Price: $8.49

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