A thrilling novelisation of a classic TV adventure for the Fourth Doctor and Sarah Jane Smith. In the snowy wastes of blizzard-swept Antarctica, a strange pod-like object is unearthed, buried deep in the ice. Curiosity turns to alarm as the pod begins to grow - then horror when suddenly it cracks open and a snaking green tendril shoots out, mercilessly seeking the nearest live victim. In London, botanical experts are bewildered, and the Doctor is...