From IF Wiki
Written by Andrew Plotkin. XYZZY Awards 2004: Winner of Best Puzzles, Best Use of Medium. Finalist for Best Game, Best Writing, Best Story, Best Setting, Best Individual Puzzle (the cistern).
"You don't remember who you are. You are lying on a smooth cold stone floor in a small unfurnished stone cell. You are carrying a quill pen, and a there's a gap in the stone in the east wall."
The game is primarily intended as an introductory game for players who haven't played interactive fiction before. However, there are also features to make the game interesting for experienced players as well.