The Libram in BRD is Libram of Truth (increases Devotion Aura by 55 armor) and it is the first Libram you can use.
http://wow.allakhazam.com/db/item.html?source=live;witem=22400
After that is Libram of Hope (-20 to your Seal costs) which drops off the .5 boss in Dire Maul.
http://wow.allakhazam.com/db/item.html?source=live;witem=22401
All the rest require level 60 and above, even the world drop mentioned above me. Just go to the left and under 'Items' and 'Advanced Search' do a search for 'Libram'. Should bring up a full list of 19 Librams.