Cixin Liu, The Three Body Problem Trilogy. UK Hardback 1st Edition – 1st Prints Head of Zeus. Consists of: The Three Body Problem…….. Unsigned The Dark Forest………………….. A collection of books that will only increase in value. In very good to like new condition. Photos form part of the description. The rest of the collection, signed and numbered copies, UK Hardbacks, in new condition. The Wandering Earth The Redemption of Time Ball Lightning The Supernova Era Ants and Dinosaurs Hold up the Sky. Any questions or more photos let me know. A great collection for any book collector. Will be sent 48 parcelforce, tracked and insured.