Atlus U.S.A. announced a special offer for consumers who purchase Atlus' strategy-RPG for the PlayStation 2, Disgaea: Hour of Darkness. As part of a promotion for the upcoming re-release of Disgaea on May 25th, DoubleJump Publishing and Atlus U.S.A. will give away an exclusive limited run of a mini-art book. This book contains 8 pages of art never before released in the US, from Disgaea's original artists. Consumers who send in the registration card enclosed with their copies of Disgaea after May 25th, will receive the book - while supplies last. You can learn more about it here.