I don't support the idea of having a separate app outside of the game for this, they should be able to make it right there in game like the Fishing thingy. Also physical hand book is a very bad idea in any MMO type games. Why? Because any patch could render the information obsolete very fast. Just make it a window somewhere in the menues where when it is opened up you get all the info + lore tidbits, hell you could even make it so that you dont get the lore until you kill a certain amount of them like some other games do.