Pigeon Post Pigeon Post Pigeon Post is an English children's adventure novel by Arthur Ransome, published by Jonathan Cape in 1936. It was the sixth of twelve books Ransome completed in the Swallows and Amazons series (1930 to 1947). He won the inaugural Carnegie Medal from the Library Association, recognising it as the year's best children's book by a British subject. This book is one of the few Swallows and Amazons books that does not feature sailing. All the action takes place on and under the fells surrounding the Lake, as the characters attempt to discover gold in the Lake District hills.
Game of the Amazons Amazons played on a n x n grid, started from an arbitrary configuration) is PSPACE-complete. This can be proved in two ways. The first is by reducing a generalized Hex position, which is known to be PSPACE-complete, into an Amazons position. The second is by reducing a certain kind of generalized geography called GEOGRAPHY-BP3, which is PSPACE-complete, to an Amazons position. This Amazons position uses only one black queen and one white queen, thus showing that generalized Amazons is PSPACE-complete even if only one queen on each side is allowed. Game of the Amazons The Game of the Amazons (in