LARKIN, GERALDINE A.12 Simple Steps To A Winning Marketing Plan. Probus Publishing Company, Illinios: 1992. 1557382972 / 9781557382979 First Printing. s Softcover. Good condition. The purpose of this book is to help people who don't know much about marketing to learn enough basic concepts to develop a good first draft of a marketing strategy for a company product. Includes an Index.