Ogre Downstairs, , HarperCollins Publishers, Diana Wynne Jones,Fantasy & Magic,JUVENILE FICTION, families;magic;flying;potions;invisibility;philosopher’s stone;feud;chemistry set;animal spirits,, , United Kingdom, en-UShttps://www.harpercollins.co.ukfamilies;magic;flying;potions;invisibility;philosopher’s stone;feud;chemistry set;animal spirits, [BLURB],[CITY],,books, ebooks, biblet, Book2look