Google's desktop web site has been offering the text of public domain and other licensed books for a while, but they've just launched a mobile version as well, books.google.com/m . Ostensibly formatted for Android devices and the iPhone, it works after a fashion on S60 devices too, with their Webkit-based browsers. Some screenshots below to show how it works...
Same here with an E71. Is there any chance Steve that you could give us the full mobile address to one of the ebooks? Maybe by opening that, we could navigate back or something.
This works wonderfully for the Nokia N800 (and I'd guess the other NITs). Google uses OCR and if you tap the screen it calls up the original scan as an image.