Two questions (Spellbook spell order/Adding abilities)

1. What determines the position of spell icons in a spellbook? Art - Button Position seems to be arbitrary, and the order of the spells in Data - Spell List doesn't appear to change anything either.

2. [Edit: Got this one answered on the Triggers/Scripts side.]

I'm pretty sure it's the spellbook level you get the ability at. If you get multiple abilities at the same level it goes with the first in the Data - Spell List.

I'm not sure exactly how it works - mine is in the order I intended when I set the button posistions accordingly, and put the abilities in the same order in the spellbook ability.