What they didn't want you to know

"We all watched in shock and disbelief when Challenger was lost. Probably no one felt more disappointment and regret than Allan McDonald, who had warned us not to launch that day. His story tells of loss, grief, and the eventual rebuilding and recovery."--Robert "Hoot" Gibson, former Space Shuttle pilot and commander

"A major contribution to a difficult episode in the history of human spaceflight."--Roger D. Launius, Division of Space History, Smithsonian Institution

"McDonald tells the heartbreaking tale of how he saw his words of...