public async Task <IEnumerable <Book> > SearchBooksByTitle(SearchTitleDto search)
{
var title = _queryHelper.Encode(search.Title);
var orderBy = _queryHelper.GetOrderBy(search.OrderBy);
var url = _queryHelper.GetTitleUrl(title, orderBy, search.MaxResults);
var results = await _searchRunner.PerformSearch(url);
return(_searchMapper.MapBooks(results));
}