00255nam a22000977a 4500020001800000082001000018100001800028245002900046260004700075300003500122  a9780241491515  a973.9  aBARACK OBAMA.  aA PROMISED LAND./hBook.  aNew Yorkb Penguin Random House LLC.c2020  axvi, 751 p:bcol ill.:c22 cm: