You can link this item on the forum by including the following with your post: [armoryitem=1562]9000064[/armoryitem]
Book of Concentration can be easily purchased by talking to an NPC below. Clicking on the NPC name will show you which maps they can be found in.
|[Arumic Merchant] Tryteh|
|[Arumic Merchant] Chester|
If you're hunting for a Book of Concentration, try killing these monsters below. Clicking on the monsters name will show you which maps they can be found in.
|Monster Name||Monster Level|
|Coal Mine Moldie||38|