The MLP Facebook tossed this up a few minutes ago. It sounds like we have some pony books on the way. I wonder if they will be marketed toward kids, or follow the comics on a quest to encompass all ages? They seem to mention a guide book, which could have something to do with the one that popped up on Barnes and Noble a while back.
Only time will tell!
Now we just need a novel series. I'd dig a 500 page official pony book.
Thanks to Gregory for the heads up!