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10 Hardcover Hardy Boys mysteries: House on Cliff (#2), Secret of Old Mill (#3), Missing Chums (#4), Shore Road Mystery (#6), While Clock Ticked, Footprints Under Window, Mark on Door (#13), Hidden Harbor (#14), Sinister Signpost , Figure in Hiding

Name: 10 Hardcover Hardy Boys mysteries: House on Cliff (#2), Secret of Old Mill (#3), Missing Chums (#4), Shore Road Mystery (#6), While Clock Ticked, Footprints Under Window, Mark on Door (#13), Hidden Harbor (#14), Sinister Signpost , Figure in Hiding
Author: Franklin W. Dixon
ISBN: 978B00158SE91