public Book createBook(Element bookElement, Element bookIndexElement) {
Book book = new Book(bookElement.text().trim());
Elements chapterUrlElements = bookIndexElement.select("a");
for (Element link : chapterUrlElements) {
String chapterPage = link.attr("href");
int chapterID = Integer.parseInt(link.text());
Chapter chapter = createChapter(chapterID, chapterPage);
book.addChapter(chapter);
}
return book;
}
