safaribooks-isbn.user.js

// ==UserScript==
// @name        List Safari Books ISBNs
// @namespace   
// @include     http://*.safaribooksonline.com/mysafari
// @version     1.0
// @grant       none
// ==/UserScript==

var l = document.querySelectorAll("#FolderItems > div > ul > li");

var i;
var t;
for (i = 1; i <= l.length; i++) {
    t += document.querySelector("#FolderItems > div > ul > li:nth-child("+i+") > div.text > h4 > a").title+": ";
    t += document.querySelector("#FolderItems > div > ul > li:nth-child("+i+")").getAttribute("data-folder-item-fpid")+"<br>";
}
document.querySelector("#folder_description > p:nth-child(5)").innerHTML=t;