User-agent: CCBot
Crawl-Delay: 20

User-agent: gsa-crawler
Disallow: *

User-Agent: *
Crawl-Delay: 2
Disallow: /books/compcopy*
Disallow: /books/textadoption*
Disallow: /books/downloadSubjectCsv*
Disallow: /journals/e-readers/processor/*
Disallow: *.ctl
Disallow: *.epl