Hyman, Vernon Tom. Prussian blue / Tom Hyman. - New York : Viking, 1991. - x, 429 p. ; 24 cm. ISBN: 067082996X : $19.95 ($26.95 Can.) LCCN: 90050397 Index Terms--Genre/Form: Spy stories. LC Class. No.: PS 3558 .Y49 P78 1991 / P78 1991 Dewey Class. No.: 813/.54