OrderOfBooks.com generates income by leveraging advertising, likely displayed on their website as a monetization strategy. The business capitalizes on its niche appeal and high traffic by offering valuable ad space to relevant advertisers, such as book publishers or authors. Given the website's targeted audience of book enthusiasts, advertisers find a market of ready buyers for their products. This advertising strategy complements the website's affiliate marketing efforts, providing an additional revenue stream that monetizes the site's traffic and content further.

OrderOfBooks.com earns revenue through affiliate marketing, primarily by directing users to Amazon to purchase books using affiliate links. Users visit the site to get book series information, find their desired books, and then click on affiliate links to make purchases. This model is effective for OrderOfBooks.com because it aligns with its role as a niche resource for book readers. By offering a valuable service of providing book series orders and recommendations, they create a relevant and seamless user experience that encourages book purchases through affiliate links. This setup allows the business to monetize its audience's book buying journey without directly handling e-commerce transactions, reducing overhead and operational complexity.