Nice Royal 10 artistic rendering on the Helvetica book.
I don’t really comment on all OTP entries. I try to remember which before I comment, and I’m sure I miss someone.
About editing, I seldom even proof mine because I know I make typos, and I’d spend my time in rewrites id I proof-read and edited.
My grammar may not be correct either. I get into my PA Dutch mode and Germans are known for speaking backwards.