User blog comment:SonOfZeus1200/The Camp Half-Blood & Kane Chronicles Series will collide!/@comment-207.74.86.35-20120508101552/@comment-3146930-20120530182842

So far the references to each series have been one sided. The Kane series makes a lot of references to the PJ and the HoO series, but the PJ and HoO series haven't made any direct references to the Kane series, at least not any that I have seen