The link below is to an article that explains how you can get a free copy of the ebook ‘With the Beatles,’ by Alstair Taylor. Basically you need to be a member of Copia and also have the Copia free ereader application.
For more visit:
http://www.mediabistro.com/appnewser/with-the-beatles-ebook-for-free_b23912
The link below is to an article reporting on how to borrow the Harry Potter ebooks for free – but you do need to be an Amazon Prime member to do so. They are available from the Kindle Owners’ Lending Library.
For more visit:
http://www.mediabistro.com/appnewser/harry-potter-ebooks-now-available-to-borrow-from-kindle_b23908
It would appear that you also need to be in the USA. The Kindle Owners’ Lending Library site provides more information on how to access ebooks.
At the BookShelf 