CHeck out my signature links, and you'll find some development tutorials for WebSphere Portal that use IRAD. There are also some administration tutorials from an earlier version which might be helpful.
As far as books go, there aren't too many. I have one on development, but for administration, the few redbooks and what's on Amazon is about it.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com