The Presidential Timeline Web site was reviewed by Education World and earned an A+, the highest rating. The Education World Web site, billed as “The Educator’s Best Friend,” is widely used among educators and features information on lesson planning, professional development, and school issues, as well as educational Web site reviews. The Learning Technology Center (LTC) developed the Presidential Timeline in partnership with the Lyndon Baines Johnson Library and other presidential libraries. The interactive online resource provides hundreds of digitized primary source artifacts from the libraries, such as audio and video clips, photos and documents that give a unique view into critical moments in history. The Timeline also provides curricular materials to help teachers incorporate its use into their lessons.