The Bell Curve
The 'g' Factor
The Bell Curve legit changed how I thouhgt, I skimmed the whole thing in high school while standing in barnes and nobles
why no serious responses
Because this is a question that would only be of interest to bright high school students.
No book "profoundly changes your life". It excites the mind and gives food for thought. After one becomes more sophisticated and critical, this doesn't happen in the same was as it does to bright teenager.