BookInfo.BookSearchUrl.GetBookSearchUrl C# (CSharp) Method

        public string GetBookSearchUrl()
        {
            string searchUrl = "";
            searchUrl += searchBaseUrl;
            searchUrl += "?";
            searchUrl += "q=" + searchKey;
            searchUrl += "&start-index=" + (inc_results * search_times + 1).ToString();
            searchUrl += "&max-results=" + ((search_times+1) * inc_results).ToString();
            search_times++;
            searchUrl += "&apikey=" + apiKey;
            return searchUrl;
        }