There are quite a few services that offer non-DRM epubs. O'Reilly's online store[1] is just one example, and there are a lot more listed in Defective By Design'

There are quite a few services that offer non-DRM epubs. O'Reilly's online store[1] is just one example, and there are a lot more listed in Defective By Design's ebook guide[2]. http://shop.oreilly.com/category/ebooks.do http://shop.oreilly.com/category/ebooks.do http://www.defectivebydesign.org/guide/ebooks http://www.defectivebydesign.org/guide/ebooks