Larry Walker writes on food, wine and travel.. His book, Classic Wines of the Napa Valley was short listed for the International Wine Book of the Year and has been reprinted as an e-book. He is also the author of The Wine Companion to Napa and Sonoma. With his wife, Ann Walker, he has written five books: Season in Spain, Pleasures of the Canary Islands,Tequila: the Book, Tapas,The Best of California. Ann Walker is a food educator, chef and writer.