# SWI-Prolog: A comprehensive Prolog implementation
## Web home
Please find the up-to-date information on SWI-Prolog at
Documentation is available from several locations and in several
- Paper format can be ordered as [print on
demand](http://books.google.de/books?id=7AeiAwAAQBAJ&hl=en) and is
available as PDF from the [download
- Several tutorials can be accessed from the __Tutorials__ menu on
the [home page](http://www.swi-prolog.org)
- A HTML version of the documentation is in the `doc/Manual` directory
of the installation. Note that some packagers put this documentation
elsewhere or require it to be installed seperately.
You can also install the website locally to use its richness if you are
offline. It is available from https://github.com/SWI-Prolog/plweb.