public PublishersBooksViewModel GetPublisherBooks(string publisher)
        {
            IEnumerable <Author>     authors = _authorRepository.GetPublisherBooks(publisher);
            PublishersBooksViewModel publishersBooksViewModel = Mapper.Map <IEnumerable <Author>, PublishersBooksViewModel>(authors);

            return(publishersBooksViewModel);
        }
        public PublishersBooksViewModel GetPublishersBooks(string publisher)
        {
            PublishersBooksViewModel bookItem = _authorService.GetPublisherBooks(publisher);

            return(bookItem);
        }