The Betrayers is the 10th installment in Donald Hamilton's iconic and thrilling Matt Helm series, which has sold more than 20 million copies worldwide.

Far out in the Pacific, among the sunny islands of Hawaii, a dark, venomous plot is engineered by a rogue agent, an angel-faced man called the Monk, who has a special fondness for high explosives. His target is an American troopship with 3,000 US soldiers scheduled to blow sky high - unless Matt Helm can stop him. But first Helm has to trust the beautiful stranger who claims to be his sister-in-law and insists that his former "wife" had just willed him half a million dollars.