public async Task <Authors> SaveAuthor(Authors author)
        {
            _dbContext.Authors.Add(author);
            await _dbContext.SaveChangesAsync();

            return(author);
        }
        public async Task <Titles> SaveBook(Titles title)
        {
            _dbContext.Titles.Add(title);
            await _dbContext.SaveChangesAsync();

            return(title);
        }