00587cam a2200193 4500 388589352 TxAuBib 20180711120000.0 180711s2018||||||||||||||||||||||||eng|u TxAuBib Ludwig, Elizabeth. Shifting Sands. New York : Guideposts, 2018. 236 pages. Mysteries of Martha's Vineyard ; ; 12 Note. 20180711. Mysteries of Martha's Vineyard ; ; 12.