User-agent: *
Disallow:  /library/*.pdf$
Disallow:  /library/*.djvu$
Disallow:  /library/*.txt$
Disallow:  /library/*.epub$
Disallow:  /library/*.lit$
Disallow:  /library/*.chm$

User-agent: *
Allow: /

User-agent: *
Allow: /spaceweather/

User-agent: Zombies
Disallow: /brains