The first time David Kerr heard he had a brother was when they told him his brother was dead. The summons from the US embassy to the funeral service in Washington is brief but intriguing. Kerr, veteran war correspondent, can't resist the chance to find out more. But as his investigative instincts lead him closer to a shadowy group called The Activity, he is surrounded by brutal violence. Now that the Cold War is over, the most dangerous game in this most dangerous of towns is economic espionage – as Kerr's brother appears to have known only too well. And now it seems that Kerr isn't the only one who needs to stay alive long enough to find the answers. ‘Once you are hooked, 'The Blood Brother' winds you in wickedly. The confusion builds up irresistible tension. As the BBC's Washington correspondent, Gavin Esler understands skulduggery on Capitol Hill and uses his knowledge skilfully.’DAILY TELEGRAPH