Actually the IWD Trillogy was written before the Dark Elf trillogy, I read them in that order as I bought the books years ago when they came out. You will notice many inconsistacies when reading from the Dark Elf Trillogy to the IWD trillogy as Salvatore changed a few things in the Dark Elf series. This is explained in the front of the Dark Elf trillogy and I would recommend that you read the IWD series 1st.
The reason Drizzt doesn't seem to be the main character in the IWD series is because Drizzt was actually orginally developed as a sidekick for Wulfgar but Salvatore ended up turning him into the main character. Hope this clarifies a few issues people may have or notice.
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"The beginning of eternity.
The end of time and space.
The start of every end,
And the end of every place."
[This message has been edited by Hesperex (edited 08-21-2001).]