Fifty years have passed since John le Carré's award-winning crime novel 'The Spy Who Came in From the Cold' was first published, so tonight Penguin are celebrating the fact with an evening dedicated to the 81-year-old British author. Experts will discuss le Carré's transatlantic perspectives, his relationship with Graham Greene, his mark on television and in Cold War fiction. Penguin will also be putting out a new edition of 'The Spy Who Came in From the Cold'.