Herbie Hancock among festival keynote speakers

During its Tuesday night event featuring Cambridge’s Joanna Rakoff, author of the memoir “My Salinger Year,” the Boston Book Festival announced its 2014 keynote speakers. Herbie Hancock , Susan Minot, Rick Riordan, Norman Foster, and Doris Kearns Goodwin will all give keynote addresses during the festival from Oct. 23 to 25. In case you’re wondering, Hancock has a memoir coming out this fall called “Herbie Hancock: Possibilities.”