The Hammer of Thor
By Rick RiordanThe Hammer of Thor is the second book in the Magnus Chase series and is written by Rick Riordan. In the previous book, Magnus and his friends learn that Thor has misplaced his famous hammer, but it’s not given much thought because it’s a common habit of his. However, it becomes a big issue when it’s learned that Thor’s hammer has fallen into enemy hands. In this book, Magnus and his friends must find the hammer quickly or else the mortal worlds will be destroyed by an army of giants.