The GNOME Documentation Project Web page lists current GDP projects and members.

The GNOME Documentation Style Guide is a guide to how a document should be structured, written, and proofread.

Norman Walsh's http://www.docbook.org in an excellent book on DocBook, available both online and in print.

Dave Pawson's DocBook Frequently Asked Questions is a good source for information about writing in DocBook, tools for DocBook, and stylesheet customizations.

Docbook: The Definitive Guide is available in both printed form and on the web at: http://www.docbook.org/tdg/index.html

The gnome-docs-list mailing list is the main discussion area for all contributors to the GNOME Documentation Project. You can find out how to subscribe to this list on GNOME Mailing Lists. This is a rather low-volume list, so you will not be flooded with messages.

Internet Relay Chat (IRC) is a fast and easy way to get in touch with other GDP members. There are generally at least a few members here who can answer questions or discuss documentation issues. The IRC channel is #docs at irc.gnome.org.