Arizona Rep. Gabrielle "Gabby" Giffords, who was shot in the head in January, was on TV last night with Diane Sawyer, in a runup to today's release of the memoir "Gabby: A Story of Courage and Hope." On the TV interview, it's touching to watch Giffords, her long hair shorn, struggle to find a simple word. Even more touching is hearing Giffords haltingly read an excerpt from her book.

According to People magazine, the book reveals that Giffords was desperate to have a child and had been undergoing fertility treatments when she was shot; intimate details of her relationships with Kelly's teen daughters; her slow, painful realization of what happened to her; and insight into her intense struggle to regain her powers of speech and cognition.

In one heartbreaking passage, People said, Kelly recalls the first time Giffords tried to speak, but found she could not. "Gabby was sitting in her wheelchair, tears running down her face," he writes. "She was hyperventilating, absolutely panicked. Gabby motioned with her left hand, waving it by her mouth. It didn't take me long to figure out what was wrong."

"Gabby: A Story of Courage and Hope," was co-authored by her husband, astronaut Mark Kelly, and written in collaboration with Jeffrey Zaslow, who also helped Randy Pausch on "The Last Lecture."