For Magnus Chase: Hotel Valhalla Guide to the Norse Worlds will whet readers' appetites for The Hammer of Thor.
It is a 176-page, smaller format book with black-and-white illustrations throughout. Helgi - the hotel manager - created this book for each hotel guest, so that he wouldn't have to answer so many questions at the front desk.
It has short entries about the deities, mythical beings, and fantastic creatures from the nine Norse worlds, and also contains bonus material, including interviews, newspaper articles, short stories and more. The tone is humorous, complementing Rick's series.
Rick Riordan, dubbed 'storyteller of the gods' by Publishers Weekly, is the author of five New York Times number-one bestselling book series with millions of copies sold throughout the world: Percy Jackson, the Heroes of Olympus and the Trials of Apollo, based on Greek and Roman mythology; the Kane Chronicles, based on Egyptian mythology; and Magnus Chase, based on Norse mythology. Percy Jackson and the Lightning Thief, Rick's first novel featuring the heroic young demigod, won the Red House Children's Book Award and is now a blockbuster film franchise starring Logan Lerman. To learn more about Rick and his books, you can visit him at www.rickriordan.co.uk or follow him on Twitter @camphalfblood.