On October 12, 1984, a time bomb planted by the IRA exploded in the Grand Hotel in Brighton, England. The target of the bombing, British Prime Minister Margaret Thatcher, on hand for the annual gathering of her Conservative Party Conference, walked away unharmed. Five other people died and many suffered serious injuries. On this tragic real-life event, British writer Jonathan Lee has grafted High Dive, his third novel and first to be published in the U.S.