Nicolai Foss
I think the best general approach to guitar books is this: Buy anything that Wolf Marshall has written. But of course there are other worthy writers of instruction books. Trouble is there are simply so many good books out there. To help prospective buyers, here are some Amazon lists that may come handy:
Here is Jazz Guitar Adv Instruction.
So You’d Like to … Play Jazz Guitar.
And here is a list of Jazz Guitar DVDs (not strictly instruction material though).
