The default spellbook has really large icons and lots of wasted space. I wanted to be able to see more of my spells on screen at once. Given that motivation, I created this Tiny Spellbook mod. For all casters, a perfect companion to this mod is my 5-row hotbar mod.
This file is only available on nwvault. You can download it here. Please vote for it on nwvault.
unzip to: put it in “My Documents\Neverwinter Nights 2\ui\default”
This should create a spells_known.xml file and a spells_memorized.xml file. All done!