Just in time for holiday gift-giving, this signed and numbered limited edition ofThe House of Hadesis the perfect keepsake for fans of the #1New York Timesbestselling Heroes of Olympus series. Each book is hand-signed by Rick Riordan and includes specially commissioned art from series illustrator John Rocco.The deluxe slipcase features a wrap-around illustration and makes an elegant centerpiece for any bookshelf.