4 Disallow: /book/first-edition/
5 Disallow: /book/second-edition/
6 Disallow: /stable/book/first-edition/
7 Disallow: /stable/book/second-edition/
8 Disallow: /beta/book/first-edition/
9 Disallow: /beta/book/second-edition/
10 Disallow: /nightly/book/first-edition/
11 Disallow: /nightly/book/second-edition/