Separate names with a comma.
Where in the Handbook would I put it?
Wherever you want, probably next to the NPC finder guide.
Firstly, (No offense or anything), But the heads thing isn't really a priority for finding it. Also, if anybody replies, It'll be a Necro.
To be honest, I know nothing about these heads.
Look in the thread.
If you didn't know, in the main lobby, you can go at the big house behind the portal, and at the right hand corner you might see a little quest with 9 heads and a sign saying there are 5 of each hidden through the lobby.