Some pink highlighter. The U.S. History by OpenStax textbook is a comprehensive and authoritative resource for college students looking to deepen their understanding of American history. Published by OpenStax, this 482-page hardcover book covers a wide range of topics within the subject area of United States history, making it an essential text for anyone interested in the general history of the United States. Authored by a team of respected experts, this textbook offers a detailed and engaging exploration of key events, themes, and figures in American history, making it a valuable addition to any student’s educational toolkit.