The Old Mr. Boston's De Luxe Official Bartender's Guide is a rare and collectible hardcover book printed in 1971, marking its 50th printing. Authored by Leo Cotton, this illustrated guide focuses on mixology and is perfect for those interested in home and garden topics. With a focus on cocktails, this North American publication by Boston Distiller is a valuable addition to any vintage book collection for those who appreciate classic cocktail recipes and mixology techniques.