John le Carré's The Circus: Losing Control

Every day, behind closed doors, the men and women of The Circus are embroiled in high stakes, high-wire acts that the average citizen would never notice. These intelligence officers protect Britain's most sensitive secrets. At the head of it all is Control: an all-powerful puppet master who decides who goes where, who does what, and sometimes, if necessary, who lives and who dies. But now, Control has vanished. He doesn't show up at the office. He misses his meeting...