For the party, see Call of the Alphas (Party).
The Call of the Alphas Book is a non-member den item. It was released on June 27, 2017, and could be redeemed from the code "HEARTSTONE" found in Call of the Alphas. The code expired sometime in 2018.
The Call of The Alphas Book is a thick, cyan book with the same front cover as the book it is based on. This item comes in only one variety.
- This is related to The Phantoms' Secret Book.
- In the past if a Jammer clicked on it, they would receive a message prompting them to join the Call of the Alphas party. If they clicked "OK", they would be transported there.
- The code that rewards this item will also reward 700 Gems in the mobile game, Play Wild.