Magnus Chase and the Gods of Asgard

Magnus Chase and the Gods of Asgard is a book series announced by Rick Riordan to be released in fall, 2015. It is based on Norse mythology and is premusably set in the same universe as the Percy Jackson and Kane Chronicles series.

Hints

 * The main hint that it belongs to the Percy Jackson universe is that the last name of the protagonist is the same as Annabeth's: Chase. 
 * Rick Riordan has said this is not a coincidence.