[shoshin23]

This is from 2015. What would the HN community recommend as the best possible 'little book about OS development' in 2022?

Thanks.

[detaro]

for something like this 2015 is still fine. (I think because it goes through GRUB even UEFI/BIOS doesn't matter, but I could be wrong on that one)

[ModernMech]

I think this blog goes pretty far: https://os.phil-opp.com