User blog comment:SayuriDarling/Magnus Chase and the Gods of Asgard Official Discussion/@comment-25044056-20150702113235

According to Rick Riordan you don't need to read any of the Percy Jackson books to read Magnus Chase, but if you know Annabeth from those books, this will add a lot to your understanding of her family history.

I wonder how much presence Annabeth will really have in these books?