The Keys to the Kingdom, Books 1-4: Mister Monday, Grim Tuesday, Drowned Wednesday, and Sir Thursday

Arthur Penhaligon has a dream that a mysterious figure has handed him a key! When he wakes, the key is still there! Includes 4 books: Book 1: Mister Monday, Book 2: Grim Tuesday, Book 3: Drowned Wednesday, and Book 4: Sir Thursday. 336-400 pages each.