function parseResponse(data) {
var bookshelf = document.getElementById("bookshelf");
 
for (var i=0; i<2; i++) {
var cover = data.reader_books[i].book_edition.covers.cover_medium;
var title = data.reader_books[i].book_edition.title;
var permalink = data.reader_books[i].permalink;
 
var link = document.createElement("a");
link.setAttribute("href",permalink);
 
var img = document.createElement("img");
img.setAttribute("src",cover);
img.setAttribute("alt",title);

 
link.appendChild(img);
bookshelf.appendChild(link);
}
}