public String getBookContent() throws ParseException, IOException {
        StringBuilder sb = new StringBuilder();
        int book;
        int counter = 0;
        String filename;
//        for (int k = 1; k <= 66; k++) {
        for (int k = 1; k <= 66; k++) {
            book = k - 1;
            sb.append("\n\n Book#")
                    .append(k)
                    .append(" ")
                    .append(TITLE_TW[book])
                    .append(" ")
                    .append(TITLE_EN[book])
                    .append("\n\n");

            for (int chapter = 1; chapter <= CHAPTER_COUNT[book]; chapter++) {
                String str = getVerses(book, chapter);
//          sb.       
//                System.out.println(str);
                sb.append(str);
            }
        }
        return sb.toString();
    }