Winter Holiday (novel) Winter Holiday (novel) Winter Holiday is the fourth novel of Arthur Ransome's "Swallows and Amazons" series of children's books. It was published in 1933. In this story, the third set of major characters in the series, the Ds — Dick and Dorothea Callum—are introduced. The series' usual emphasis on boats and sailing is largely absent, as the story is set in the winter. Instead, the children's activities focus on ice skating, signalling with semaphore and Morse code, and sledging. Ransome draws on his schoolday memories of the Great Frost of 1895 when Windermere froze completely. Another major influence is Fridtjof
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