Assassin's Creed II: Conspiracy Book

Assassin's Creed II: Conspiracy Book is an art book, which was included in Black Edition of Assassin's Creed II. It was released on November 17, 2009.

Description
''Conspiracy Book - this 64-page finely crafted leather style hardcover and parchment-finish page book brings together exclusive insights on the game art, story and background, direct from the developers of Assassin's Creed II. Secret faces are also revealed from the game's overarching conspiracy.''

Reference

 * Amazon.com AC2: Black Edition