How many Jewelry Crafting Books have you found?

The books I ask about are the ones that advance a skill by one level when read.

I've found two so far as I wasn't thinking about looking for these, since its been so long since reading one has done me any good.

One was in the area bellow Lillandril and the other was towards the top of the Crystal Tower on the main quest.

Also, have you seen any added to other areas of the game like Alliance zones?