Ron Chernow's book on Hamilton is about to be followed by one about Ulysses S. Grant. The New Yorker's Adam Gopnik's article about Grant discusses the attempt to rehabilitate Grant's image.
I have included the file but was able to access the article online and for those with a subscription:
https://www.newyorker.com/magazine/2017/10/02/pour-one-out-for-ulysses-s-grant
The Library of Congress has wonderful resources for those who want to get to know the president better.
https://www.loc.gov/collections/ulysses-s-grant-papers/about-this-collection/
6 - 8 9 - 12 13+ Social Studies/History U.S. Grant Ulysses S. Grant Adam Gopnik