User blog comment:SonOfZeus1200/The Camp Half-Blood & Kane Chronicles Series will collide!/@comment-71.188.22.192-20120530235559

It would be a bit confusng with gods from another pantheon to intervene with the PJO series. But it could work. Plus I found different evidence that the series are going to crossover. In the Sea of Monsters, Tyson said he got attacked by a Sphinx in BROOKLYN.