On That Day: The Definitive Timeline of 9/11

“A maddening, essential study in misinformation, jingoism, bad intelligence, and other hallmarks of the recent American past.”—Kirkus (starred review)

Anyone who experienced the attacks on September 11 cannot forget the imagery: the smoking, falling towers, the Pentagon smoldering, the Shanksville crash site, the first responders.

But there is an invisible story hidden in the wreckage, one that required years of patient investigation and the piecing together of a sequence from many scattere...