It's charcoal without all the mess and black fingers. I admit the twig & ink look might always be my favourite, but beautiful work with the brown and sepia inks, too.I'm liking the effect I'm getting. It reminds me of charcoal or graphite a bit.
Different places, different inks, love everything!
I’m sure others have suggested it, but I don’t know if you ever have. It could be a retrospective of your work, or an instruction book — or BOTH 