Example code for amazon scraper using  nodejs

var cheerio = require("cheerio");

var request = require("request");

function findPrice(isbn){

    request('http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps
&field-keywords=' + isbn , function (error, response, html) {

        if (!error && response.statusCode == 200) {

            var main = cheerio.load(html);

            var price  =  cheerio.load(main('.rsltL').html());

            console.log(price('.red').html().trim());

        }

    });

}

//example BOOK ISBN 9781466480032

findPrice(9781466480032);