I've played this game for years and never found a magic book on Bound Bow. Always had to just console command myself one.
I second Khajiit Speak. It's a simple mod that adds a lot of immersion if you play Khajiit.
Plus having a horn to summon your horse from any outside zone is pretty darn convinient. :3
Oof. That is... I mean it's kinda funny at the same time I do feel for you. I wish I had a better outfit management system for when I want to switch to my smithing gear and back.
Legacy of the Dragonborn seems to have this in the bedroom of the safehouse, but I'm still trying to figure it out.