Path/Book magic is one of those more interesting magic systems in GURPS and like most interesting things it’s hard to design more material for. The original designer wasn’t looking for anything but spells created by authorial or GM fiat. Unfortunately, since the original parameters were known to the original designer it makes designing new stuff nothing but guesswork. Regardless of that, I do like Path/Book magic. One day I’ll sit down and create a design system to create spells for Path/Book magic (but it not this day)…
…if you’d like to read more, consider becoming a patron!
Note: the link to the actual content for patrons is here.
Get it free here!