The first half of this book was much better than the second.  The best parts of the book were where it actually drew parallels between present day and the Holocaust.  The second half of the book lost that component and turned towards self help/inspirational content.  This book would have been better off as five lessons, and going into better detail for those five comparisons/lessons.  Even the suggested readings seem vague, when instead there could have been a suggested book for each of the lessons for further nuance.  One other item I noticed is that this book was published in 2017, but it looks like it was updated since it includes some stats related to 2020, however I don't see any updated version listed, and I would be curious to know what other changes/edits were made.  Overall, I think this book had a lot of potential but missed the mark.