Whizz Hard Books is the name of a bookstore in Diagon Alley and it is also a book Publisher. It is currently not open to Pottermore players and it is unknown whether or not this will change in the future.
There have been a number of Books published by Whizz Hard Books here are the main ones you see in Pottermore and the Harry Potter Movies.
- Quidditch Through the Ages by Kennilworthy Whisp
- Hairy Snout, Human Heart by an Anomymous Werewolf
Whizz Hard books can be seen on Pottermore at Playstation Home. Players can not interact with it.