The Secret by Rhonda Byrne

The Secret endorses one of the most harmful claims in self-help: that thought alone can manifest wealth, health, and success. Despite selling over 30 million copies, the "Law of Attraction" lacks any peer-reviewed scientific support and promotes victim-blaming—implying illness or poverty results from insufficient positivity. This dangerous oversimplification is far less evidence-based than #2's simplistic parable, which at least offers a clear behavioral analogy.