1 kings is the end of king David reign and life, it is also the beginning of his sons reign king Solomon and also his death as the torch gets passed on to the next generation king rehoboam who was disobedient to God they next generation were evil as well then this book is also introduces us to the prophet Elijah .
2 kings in this book it begins with the death of Ahab and a lot of new appointed kings ending with the taking over of many territories Nebuchadnezzar king of Babylon.