This article is from the Pratchett Newsgroups FAQ, by Orin Thomas firstname.lastname@example.org with numerous contributions by others.
Something to do with Vimes and Sybil's child and
possibly time travel to the "pre-Carrot" watch.
Due November 2002.
The NEW Discworld Companion.
Updated, Revised, Elongated, Stretched and definitely
not featuring purple cover art. The long awaited
update to take into account all of the Discworld stuff
that has happened since the companion in paperback
The Wee Free Men
A classic fairy story with the addition
of the Nac Mac Feegle.
A Miss Cosmopolite Guide - similar in
theme to Nanny Ogg's Cookbook.
(Very Rumoured - Status Unconfirmed)
Ponder-Osa (not even a working title)
Even more speculative and *not* Interesting Times.
Ponder builds some big HEM building device and
tears a hole in the fabric of reality. (that bit
made up). Something to do with the University and
Reformed Assassin's Diary 2003.
The next in the Diary series - following on from UU Diary, Fools Guild,
City Watch, Assassin's Guild and Thieves Guild.
Map of Unseen University.
Doesn't Exist. Will Never Exist.
Made up by the irc channel.
A Cruel Prank.
Terry Pratchett paperbacks are always released one
year after the hardback release. This has not changed
and will not change in the future.