HIStory : Past , Present , and Future , Book I has sold more than 38 million units .
As of 2010 , HIStory has sold more than 20 million copies ( 40 million units ) 20–22 million sales :   million :   20 million :  ,31813,1908637,00.html 20 million :   ? id=mBRjfsqXvbsC & pg=PA25 worldwide and is the best selling multiple-disc release , making it one of the best-selling albums of all time.
HIStory-COLON- Past, Present and Future, Book I