Following my last column, which focused on the new iBooks app, I've gotten several more questions about iBooks, and I answer two of them here. I also look at a tricky question about moving the contents of an iTunes library back and forth between two Macs, and answer a question about a smart playlist with nested conditions.Q: When I updated to Mavericks and my books were transferred out of iTunes, some of my digital booklets (album liner notes) made the trip to iBooks and some didn't. I was able to drag them out of iTunes to iBooks, but not vice-versa. Newly purchased digital booklets stay in iTunes unless I move them. Is there any rhyme or reason to this behavior? Is there a way to get them back into iTunes if I want them there?It should depend on whether they were in your Books library or your Music library. In my case, those in the Music library--which is where they go when you buy them through