The Silent Man is a novel written by Alex Berenson , author of the previous two thrillers , " The Faithful Spy " , and " The Ghost War " .
Head entity: the faithful spy Q7733150 19 20 21
Tail entity: the ghost war Q7736302 26 27 28
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156