The book ‘The Winemaker’s Secret’ is written by Cynthia Ellingsen. It is a novel. The story is about Abby Harrington, whose family has dedicated their lives to cultivating their vineyard and collecting vintage wines. In the story, Abby’s grandparents celebrate their sixtieth anniversary with a priceless collection that disappears overnight. The book analyzes the secrets of the past and the future of the vineyard.