Join us at the Oklahoma History Center Museum Store for our annual Summer Sale, held on Friday, July 26, and Saturday, July 27, from 10 a.m. to 5 p.m. Stop in during the sale and save on our great selection of books, which focus on the history and culture of the great state of Oklahoma! We have greatly expanded different sections in our titles, including children’s books, women’s history, and African American history. In addition to our new releases, come…