The pdf-dependencies.sh has the packages needed in Ubuntu to generate the output file.
End all your .md files with double white lines in the end or the markdown will merge with the one in the next chapter.
For the puppeteer issues in WSL: cd /tmp sudo wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb sudo dpkg -i google-chrome-stable_current_amd64.deb sudo apt install --fix-broken -y sudo dpkg -i google-chrome-stable_current_amd64.deb