A brilliantly tense what-if thriller about the sabotage of the Ulster peace process.

A brilliantly tense what-if thriller about the sabotage of the Ulster peace process.

From the No.1 bestselling author of THE COLLECTOR

During the first uncertain years of the Northern Ireland peace process three simultaneous terrorist attacks in Belfast, Dublin and London shatter the hope that the bloodshed is finally over. The perpetrators are a new terror group called the Ulster Freedom Brigade. And they have one goal: to destroy the peace process.

Michael Osbourne, hero of THE MARK OF THE ASSASSIN, has quit the CIA, bitter and disillusioned. But when the President chooses his father-in-law to be the next American ambassador to Britain, Osbourne is drawn into battle with some of the most ruthless and violent men on earth ...

"Silva can truly write. He creates tension with a real master's touch ... from page one we are hooked into the action" - IRISH TIMES

"Each plot-twisting segment is marked by almost unbearable tension ... Silva's unsmiling prose urges you on like a silencer poking at the small of your back" - ENTERTAINMENT WEEKLY

"Silva continues the unique blend of fact and fiction that gives his stories the immediate and urgency of the evening news ... With THE MARCHING SEASON, Daniel Silva confirms his position as a front-runner to succeed Tom Clancy as America's foremost source of international intrigue fiction" - BOOKPAGE

"It's a difficult and risky endeavour using the Troubles as a background for a thriller ... Silva, whose THE MARK OF THE ASSASSIN was a powerful and intelligent piece ... uses locales well, from the backstreets of West Belfast to the rolling hills of Armagh, and avoids the cliches to produce a solid thriller" - CRIME TIME