User blog comment:SonOfZeus1200/The Camp Half-Blood & Kane Chronicles Series will collide!/@comment-4134412-20120506210921/@comment-3146930-20120506211314

Actually, the Kane series seems to make a bunch of mentions to the Camp Half-Blood series, but not the other way around. Anyway, if there was a crossover, it would most likely be in a companion book (like the Demigod Files or something)