The Best and the Brightest (1962), his sixth book, a critique of the Kennedy administration's Vietnam policy, became a #1 bestseller. His next book, The Powers that Be, a study of four American media companies, was hailed by the New York Times as a "prodigy of research." Many of Halberstam's books explored themes in professional sports, including bestsellers The Teammates, a portrait of the friendship between baseball players Ted Williams, Dominic DiMaggio, Johnny Pesky, and Bobby Doerr, and The Education of a Coach, a profile of New England Patriots' Coach Bill Belichick.