''

def _dump_cached_books(self, header=None, indent=0):

    if header:
        msg = ('\n%sself.cached_books    %s:' % (('    ' * indent), header))
        logger().info(msg)
        logger().info(('%s%s' % (('    ' * indent), ('-' * len(msg)))))
    if isosx:
        for cb in self.cached_books.keys():
            logger().info(('%s%-40.40s    %-30.30s    %-40.40s    %-10.10s    %-10.10s' % (('    ' * indent), self.cached_books[cb]['title'], self.cached_books[cb]['author'], self.cached_books[cb]['uuid'], str(self.cached_books[cb]['lib_book'])[(-9):], str(self.cached_books[cb]['dev_book'])[(-9):])))
    elif iswindows:
        for cb in self.cached_books.keys():
            logger().info(('%s%-40.40s    %-30.30s    %-4.4s    %s' % (('    ' * indent), self.cached_books[cb]['title'], self.cached_books[cb]['author'], self.cached_books[cb]['format'], self.cached_books[cb]['uuid'])))
    logger().info()
