Complete Arcane has rules for Mastering a Foreign Spellbook on page 140. It lets you "use the foreign spellbook as your own." Though low-level characters will need magical aid to consistently hit the DC.
Complete Arcane has rules for Mastering a Foreign Spellbook on page 140. It lets you "use the foreign spellbook as your own." Though low-level characters will need magical aid to consistently hit the DC.
My Perpetually-Unfinished Homebrew: Tier-3 Class Suite, Homestuck Races for Pathfinder, Homestuck Races for 5e, Psionic Class Redux