I have included files fro all the T. Kings Spellbooks in this post:
512 x 512 Spellbook Mod
Also, when placing graphics you start at top left corner 0,0 and go from there. I placed my combined picture to left corner and changed all info for spell locations from that point. It takes alot of trial and error.
Let me know how you want spells placed and how big of Icons and such. I will try to help as much as possible.
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Again, on the graphics issue. I am very sorry some may not be able to use the 512 x 512. However, if this is a difficulty I VERY highly suggest a system upgrade or new computer purchase in the near future. It really does not take much nowadays to do such a task. For $500 or so, you still would be amazed by the performance change.
Also, you are missing out on some GREAT gameplay