Dont Rock the Boat By Elizabeth Ludwig Books / Hardcover Fiction › Mystery & Adventure Publisher: Guidepost books & Inspirational Media, January 2017 Price $12.51 Free Shipping Send to a friend Used - Very Good Very Good condition. Mysteries of Martha's Vineyard Series. (Lighthouses, Houseboats, Martha's Vineyard) $12.51 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.