https://www.cnet.com/news/mueller-report-is-no-1-politics-book-on-amazon/

The Mueller report also takes the top four spots on Amazon's US History bestseller list. The report is also available to download for free from the US Department of Justice website. 

The report, the culmination of a nearly two-year investigation by special counsel Robert Mueller, examines the role of Russian interference in the 2016 US presidential election. It also provides details of how agents of the Internet Research Agency, a Kremlin-backed operation, used Facebook, Twitter and Google platforms to spread disinformation during the campaign.