JACK RYAN RETURNS in this high-octane twenty-third instalment of Tom Clancy's heart-pounding, #1 New York Times bestselling series _____ **PRAISE FOR TOM CLANCY ** 'Constantly taps the current world situation for its imminent dangers and spins them into an engrossing tale' NEW YORK TIMES 'Exhilarating. No other novelist is giving so full a picture of modern conflict' SUNDAY TIMES 'A brilliantly constructed thriller that packs a punch' DAILY MAIL 'Heart-stopping action . . . entertaining and eminently topical' WASHINGTON POST