00837cam a2200229 4500 243219522 TxAuBib 20010316120000.0 720509s1972||||||||||||||||||||||||eng|u 9780448095493 0448095491 TxAuBib Keene, Carolyn. The secret of Mirror Bay [BOOK]. New York : Grosset & Dunlap, [1972] 178 p : illus ; 20 cm. Her Nancy Drew mystery stories, 49 When Nancy Drew and her friends go to a lake in New York to investigate reports of a woman gliding over water, they discover a treasure underwater. 20010316. Mystery and detective stories. Her Nancy Drew mystery stories, 49.