To teach oneself about wine, Kevin Zraly Windows on the World Complete Wine Course: Revised & Updated / 35th Edition serves as an engaging, step-by-step self-study guide. Wine Simple: A Totally Approachable Guide from a World-Class Sommelier by Aldo Sohm & Christine Muhlke provides approachable insights into wine varieties and regions, and Wine A Tasting Course: From Grape to Glass by Marnie Old offers interactive exercises to enhance understanding and retention.