I bought this about a year ago, but my child hasn't shown any interest and hasn't read it, so I think it's in good condition. A picture book depicting the history of the Rubik's Cube. - Title: The Invention Story of Rubik - Author: Alexander Földes - Illustrator: Kari Grayzer - Publisher: Biography Picture Books - Theme: The History of the Rubik's Cube - Features: Extremely popular worldwide, 50th anniversary of the invention - Format: Picture book Thank you for looking.