John Jackson Miller: Star Wars: Kenobi [2014] paperback

The greatest hero in the galaxy faces his toughest challenge yet: He must stop
being Obi-Wan — and become Crazy Old Ben. For fans of movie-related novels like
Darth Plagueis!
In this original novel set between the events of Star Wars: Episode III Revenge of the
Sith and Episode IV A New Hope, Obi-Wan Kenobi comes to the aid of the residents of
Tatooine during his exile. But he struggles with his new mission when he realizes that
protecting Luke Skywalker–the last hope of the galaxy–means setting aside his
compassion and his Jedi warrior training, for the future of the galaxy lies not with
Obi-Wan Kenobi, but with a mystical desert recluse known only by the name of Crazy
Old Ben.