I'm still quite new to the game, so please bare with me

I scan the forums regularly looking for tips and suggestions floating around to help me better the progression and over all strength of my character. In a couple of the more recent posts I've come across, I'm noticing people advising others to take specific spells during level up to ensure that the spells will be accessible to them because they are not available via scribe scroll.

Would someone be so kind as to reply to me with the list please, so I may plan ahead and not miss out on anything. I'm approaching level 5 soon, and though I'm not sure what I might have already missed out on, I definately don't want to miss out on anything else.

Thanks.