Here are some places you can find free support for Microsoft PowerPoint:

Newsgroups

Frequently ask questions

Mailing lists

List of Confirmed Bugs in Microsoft Office 97

Recommended books

Special Edition Using Microsoft Powerpoint 97 - Nancy Stevenson; Paperback

10 Minute Guide to Powerpoint 97 - Faithe Wempen, Faith Wempen; Paperback

Microsoft Powerpoint 97 at a Glance  - Microsoft Press Staff (Editor), Inc. Perspection; Paperback