BTW, for those who want to play Zork Zero, you need materials from the game box to finish the game (unless you cheat).
Luckily, high quality scans of all the materials (you need all of them, too) are available here:
Paul M. Victorey
I am not responsible for any problems that may arise as a result of following my advice. This includes, but is not limited to, computer failure, loss of data, nuclear war, famine, boils, no clean laundry, your daughter running off with a biker gang, or armageddon. Take my advice at your own risk.