public void RemoveBook(BusinessBook book)
 {
     _dataSourceConnection.DeleteItem(bookSender.Map(book, new Book()));
 }
 public void UpdateBook(BusinessBook book)
 {
     _dataSourceConnection.UpdateItem(bookSender.Map(book, new Book()));
 }
 public void AddBook(BusinessBook book)
 {
     _dataSourceConnection.InsertItem(bookSender.Map(book, new Book()));
 }