Former first lady Michelle Obama's "Becoming" has had the longest run at No. 1 on Amazon's list of best-selling books since "Fifty Shades of Grey" came out in 2012

Former first lady Michelle Obama's "Becoming" has had the longest run at No. 1 on Amazon's list of best-selling books since "Fifty Shades of Grey" came out in 2012 https://t.co/v8SdtTnlAF pic.twitter.com/9QdF0ah2XK

— CNN Business (@CNNBusiness) January 16, 2019