| User-agent: * | |
| Disallow: /1. | |
| Disallow: /0. | |
| Disallow: /book/first-edition/ | |
| Disallow: /book/second-edition/ | |
| Disallow: /stable/book/first-edition/ | |
| Disallow: /stable/book/second-edition/ | |
| Disallow: /beta/book/first-edition/ | |
| Disallow: /beta/book/second-edition/ | |
| Disallow: /nightly/book/first-edition/ | |
| Disallow: /nightly/book/second-edition/ |