I noticed that for the most part that all walkthroughs do not include all the side quests.
Also as an aside "cheaters never prosper" two things; one if you cheat more than the amount asked for by Galen Bayle you lose a big chunk of exp and it screws the game up ie; your journal never shows his quest as done.
Two if you cheat the "Tome of Understanding" to increase a characters Wisdom the item is not usable!

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Not all chemicals are bad. Without chemicals such as hydrogen and oxygen,
for example, there would be no way to make water, a vital ingredient in
beer.

- Dave Barry

So far as I know, noone has ever made a _complete_ walk-through for Baldur's Gate 2...it would be longer than most books, I'd think. ~.^ Your best bet would be just scanning the forum. Sorry.