An unexpected issue occurred with the content origin that supplies SIMbook and Lesson content. This issue occurred from 7:50 AM – 9:10AM Central, Wednesday, September 5th. Students may have received a blue screen or a 404 not found message.
We appreciate your patience and apologize for the inconvenience. Should you or your students experience any other issues, please contact our Customer Experience Group toll-free at 800-331-5094 (US Only).