Trade books are a common type of literature that is intended for general readership rather than academic study. There are many different synonyms for the term "trade book," including popular fiction, general interest books, trade paperbacks, and commercial literature. These types of books are often found in bookstores and libraries, and can cover a wide variety of topics, such as history, biography, self-help, and memoirs. Trade books are typically published by mainstream publishers and are marketed towards a broad audience, making them accessible to readers of all ages and backgrounds. Whether you're looking for a best-selling novel or a nonfiction work, trade books are a great resource for anyone looking to expand their reading horizons.