Rocket Men by Robert Kurson tells the Apollo 8 story in a captivating manner. Some of the passages are quite dramatic but it's justified given the litany of firsts accomplished by the mission.
When Apollo 11 landed on the moon he considered the job done. He thought they had beaten the Russians to the moon and why would anybody want to go back?
He was devoted to his wife, who suffered from addictions due to the frazzled life of her husband's career.