Read Series: Magnus Chase And The Gods Of Asgard
by Author Rick Riordan
Book
The Sword of Summer (2000)
My Magnus Chase Theories(Sorry if there are any Blood of Olympus spoilers)-Magnus and Annabeth are cousins (I know a lot of you have figured that much out, but based on the description of the book Annabeth's father has two siblings, a brother and a sister. The sister is Magnus' mother, who died. ...