The most widely accepted and recommended version of "Think and Grow Rich" is "Think and Grow Rich: The Original 1937 Unedited Edition". This edition is considered the most authentic representation of Napoleon Hill's original work and is often preferred by readers seeking the purest form of his philosophies.
The Napoleon Hill Foundation, an organization dedicated to preserving Hill's legacy, specifically recommends this edition. The foundation states that other versions might contain alterations or modifications that deviate from the author's original intent.
While other editions of "Think and Grow Rich" exist, the 1937 unedited edition is considered the definitive version. It is believed to capture the author's original thoughts and insights most accurately.