Dipsographer — someone who writes about cocktails and alcohol — A.J. Rathbun will sign copies of his books, “Gingerbliss,” “The Violet Fizz” and “Luscious Liquers,” from 4 to 7 p.m. Saturday at Zinc Art + Interiors, 102 Third Ave. S., Edmonds.Drinks, mixed by Rathbun will be served, featuring Alpinist gin from the Seattle Distilling Co. And snacks from his book, “Party Snacks!” will be available during the cocktail party. The party and book signing are free. Copes of Rathbun's books will be available for purchase. For more information, go to zincartinteriors.com.