public void SetUp()
		{
			creater = MockRepository.GenerateMock<IBookCreater>();
			retriever = MockRepository.GenerateMock<IGenreRetriever>();
			_endpoint = new CreateEndpoint(creater, retriever);
		}
		public CreateEndpoint(IBookCreater bookCreater, IGenreRetriever genreRetriever)
		{
			this.bookCreater = bookCreater;
			this.genreRetriever = genreRetriever;
		}