Hmm, I think it's screwed up. I can't see any other user data. Logged in as her, I can't even access the guest folders, they have little no entry signs on them.
No matter, as I said, it's not the end of the world. It is working fine for everything she wants and I feel an upgrade coming soon. If only we knew when the next MacBook update was going to be. (Usually just after I buy one!)
You can burn the install file onto disc - you may even be able to make a bootable install disc, but would it have the recovery/disk utility stuff on it. Or is that what making a bootable disc does? Anyway, it will Mavericks all round in the next iteration.