Booken – Book Store Shopify Theme. If selling books online is what you strive for, you should first build a perfect e-commerce website dedicated to selling books. As the name suggests, Booken is an all-around Shopify Theme designed to build Shopify stores that deal with books and related products. With this theme, you can easily and quickly build websites for selling Books, stationery Products, Magazines, Arts & Photography, Calendars, and Biography, etc. It is a powerful HTML template that helps your bookstore establish a first-class online presence.