O’Reilly’s Ebook bundle includes an edition in the ePub format used by iBooks. Once you’ve purchased this book, it’s a simple matter of dragging and dropping it onto iTunes and then syncing to your iPad. The Ebook bundle also includes a PDF version that you can view on your laptop or print out. You can purchase the Ebook bundle from the O’Reilly catalog.
Once you’ve installed the ePub, you’ll see the book on the iBooks shelf:
(Click on any image to view at full size.)
Source code looks great on the iPad:
As do tables and pictures:
The Ebook editions are DRM-free, so you can view the PDF file in Preview instead of Adobe Reader. It also makes it easy to copy code and other text out of the book.
If you’re using Amazon’s reader, you can buy the Kindle edition directly from their site.