The New York Times: Stanza: “The iPhone or iPod Touch can act as an electronic book reader.”
Tip of the Week: Turn Your iPhone Into an e-Book

Which file formats does Stanza Desktop support reading?

Stanza Desktop contains built-in reading support for DRM-free Amazon Kindle, Mobipocket, Microsoft LIT, and PalmDoc, as well as Microsoft Word, Rich Text Format, HTML, and PDF. Stanza iPhone / iPod Touch supports eReader with or without DRM and ePub without DRM. More details can be found on Stanza's Supported Formats page.