Obscurus Books, to the (first) right of Ollivander's.
Obscurus Books is the name of a shop which features on the Diagon Alley section of Pottermore.
Locked[]
At present, players are not able to enter and it is unknown whether or not this will change in the future.
Pottermore at Playstation Home[]
Obscurus Books on Playstation Home
On Pottermore at Playstation Home, Obscurus books is one of the shops that can not be interacted with.