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The Fifth Man is Kim Philby, number two in British intelligence. He denies everything, resigns, is cleared and honoured...

Kim Philby, the second man in British intelligence, is exposed by a Soviet defector and flees Beirut for Moscow - only t...

Colonel Vladimir Vetrov, code-named Farewell, betrays the Soviet Line X technology-theft program, and the Trojan horses...

Opening a new series on science fiction: its many definitions, why its readers are the toughest critics, and the real in...

Hard science fiction obeys real science and logic; soft science fiction does not. From Spider-Man and the Hulk to Congo...

A tour of science fiction's major themes: first contact with aliens, flight and gravity, time travel, new elements, alte...

Continuing the themes of science fiction: teleportation, biological metamorphosis, human fears, the legacy of another wo...

From horror's catharsis to parallel worlds, cyberpunk, genetic engineering, lost cities and worlds beyond the ones we kn...

A craft-focused look at narrative architecture and the villain in fiction — narration styles, naming, structure, and the...

The penultimate episode on the literature of science fiction: the twist, projection, empathy and the red herring — with...

The final episode on the craft of science fiction: ideas before science, characters who break the mould, coherent worlds...