Art Book

Art Books are collectible items that appear in the PlayStation 3/Xbox 360 version of Sonic Unleashed. Each Art Book contains the concept art of characters, locations, enemies and other subjects from Sonic Unleashed. There exist a total of 71 Art Books in the game.

The player can obtain Art Books in various ways; they can be found inside the Acts of the Action Stages where they appear as floating books, be purchased from shops in the Town Stages with Rings, be given by the townspeople in the Town Stages after completing a certain Mission, and be given from Professor Pickle after giving him a souvenir.

In gameplay, the player can view the Ark Books in Professor Pickle's room after clearing Savannah Citadel Night Act 1 and purchasing the Bookself. To view the Art Books, the player has to interact with the Bookself and look up under "Data Archives".