Search the web for:
This search will find documents on organization websites.
You can find:
PDF Files (Adobe Acrobat)
This is the most common format for ebooks.
Many ebooks appear in CHM format.
To find out more about how to read a CHM file, click here.
DOC Files (MS Word)
Microsoft Word Files
Sometimes you can find books in this format.
RTF Files (Rich Text)
A lot of documents in this format.
TXT Files (Plain Text)
When all else fails... try this.