I do mate, I have a few books but they are all old. I was detecting for about 30 years, When I started a detector was as good as walking around a field with a magnet on a rope
I stopped detecting about 10 years ago due to problems. All my coins and artefacts ended up in the loft, not seen for years.
But everything good again now so just got myself a new detector..Xp deus ...brill!!, and recovered my coin cabinet from the loft. some nice bits I found
Just need some books like you said.