 | This article consists almost entirely of a plot summary. (January 2021) |
 First Australian edition | |
| Author | Garth Nix |
|---|---|
| Cover artist | Sandra Nobes/Hofstede Design (paperback, Allen & Unwin) |
| Language | English |
| Series | The Keys to the Kingdom |
| Genre | Fantasy, Young adult novel |
| Publisher | HarperCollins (UK) Scholastic Paperbacks (USA) Allen & Unwin (Australia) |
Publication date | 1 January 2004 |
| Publication place | United States |
| Media type | Print (paperback, hardcover) |
| Pages | 390 (paperback, HarperCollins) |
| ISBN | 0-00-717503-5 (paperback, HarperCollins) |
| OCLC | 56446409 |
| Preceded by | Mister Monday |
| Followed by | Drowned Wednesday |
Grim Tuesday is the second novel in the series The Keys to the Kingdom by Garth Nix. It continues the story of Arthur Pehaligon and his quest to fulfil a mysterious Will in order to reclaim an otherworldly House from seven antagonistic Trustees. Following the events of the previous novel, Arthur must face off against Grim Tuesday and protect the House and the human world from destruction.