For history buffs JOHN ADAMS by David McCullough; TEAM OF RIVALS by Doris Kearns Goodwin about the politcal genius of Abraham Lincoln and his rivals in 1860; THE FAITH OF OUR FATHERS by Alf J. Mapp, Jr. are all good ones.

In another genre is WHO WAS ADAM, a creation approach to the origin of man.
_________________________
"Content to live and willing to die....Hoping to do a little good." John Adams, amidst the turmoil of his presidency, Christmas Day of 1798, in a letter to his wife, Abigail.