for book in json.load(urllib2.urlopen(WL_API)):
book_detail = json.load(urllib2.urlopen(book['href']))
xml_text = urllib2.urlopen(book_detail['xml']).read()
for book in json.load(urllib2.urlopen(WL_API)):
book_detail = json.load(urllib2.urlopen(book['href']))
xml_text = urllib2.urlopen(book_detail['xml']).read()