"Book Yourself Solid" is a marketing and business development book written by Michael Port. The second edition, revised and expanded version provides a comprehensive guide on how to attract more clients and build a successful business. It offers strategies and techniques to help professionals, entrepreneurs, and small business owners market themselves effectively, develop a strong personal brand, and create a steady stream of clients. The book covers various topics such as networking, building relationships, creating a compelling message, and implementing marketing strategies that work. It also includes practical exercises and action steps to help readers implement the concepts discussed in the book. Overall, "Book Yourself Solid" is a valuable resource for anyone looking to grow their business and increase their client base.