She said she continues to live with the guilt and regrets that she never visited with the boy's parents or attended Douglas' funeral.
On 9/11, the first lady was taken to an underground bunker in the White House where she was later met by the president who was flown back to Washington, D.C., from Florida via Louisiana and Nebraska.
The first couple decided that night to leave the bunker to sleep in the residence. Soon after falling asleep, they were awoken by a presidential aide and told another plane was headed toward the White House.
"George and I jumped up and I didn't put on my contacts because I didn't have time to," she said. "So George grabbed my hand and I blindly made my way down. We grabbed our pets, Spot ran, George grabbed Barney and I had Kitty."
But by the time they arrived again in the bunker, they were told it was a false alarm.
Laura Bush revealed some details of her new life outside the White House. A former librarian, she has arranged all the books in her house by the Dewey decimal system.
Her husband, who frequently brought her coffee in bed before they moved into the White House, woke up the morning of Jan. 21, 2009, the day after President Obama's inauguration to make a cup of coffee, but she said, "he had forgotten how."
The Bushes now live in Dallas and continue to visit their ranch in Crawford, where, as president, George Bush often hosted foreign heads of state.