The product is a set of textbooks titled "History of the United States 1 (6th ed.) & 2 (2nd ed.)" published by the Research & Education Association. These books are part of the CLEP Test Preparation Series and cover the subject areas of history, specifically focusing on the history of the United States. With a publication year of 2020 & 2021, these revised editions provide a comprehensive study aid for those preparing for the College-Level Examination Program (CLEP) tests on American history. Written in English and available in paperback format, these textbooks offer a comprehensive and informative resource for students and test-takers alike.