Superforecasting: The Art and Science of Prediction is a 2015 book by Philip E. Tetlock and Dan Gardner.
The Economist reports that superforecasters are clever (with a good mental attitude), but not necessarily geniuses.
[1] According to The Wall Street Journal, Superforecasting is "The most important book on decision making since Daniel Kahneman's Thinking, Fast and Slow.
"[2] The Harvard Business Review paired it to the book How Not to Be Wrong: The Power of Mathematical Thinking by Jordan Ellenberg.
[3] On the other hand, Klaus Solberg Søilen reviewing the book for the Journal of Intelligence Studies in Business was very critical, saying that the book did not give enough information on how the Good Judgment Project beat other forecasters.