Originally Posted by jusmee
No, I'm giving him my licence to read it for the loan period. The actual file of 1's and 0's is immaterial, what matters is the DRM and who can read the book using it.
But you AND your friend have the book - that's the crucial point. It's not like lending someone a physical book where when you lend it to your friend you can no longer read it. You've created an additional copy, which is why copyright law gets involved in the picture.