I semi-experienced this last year when I was teaching coding in prison. For obvious reasons prisoners weren't allowed to have internet access, their learning en

I semi-experienced this last year when I was teaching coding in prison. For obvious reasons prisoners weren't allowed to have internet access, their learning entirely depended on outdated learning manuals and tutors. It was hard, though it became clear very quickly which books were actually written for beginners even though all of them said "introduction to blah blah" or "foo bar for beginners".