This work investigates the internal spiritual evolution of Thomas Merton by analyzing his previously unpublished writings to clarify his understanding of contemplation and grace. William H. Shannon, a recognized scholar of Merton's life and work, utilizes these private documents to construct a detailed portrait of the monk's private struggles. The text argues that Merton's public persona often obscured a more complex, interior process of spiritual refinement and theological questioning.

Scholars and readers of monastic history frequently cite this text as a vital resource for understanding the private intellectual life of Thomas Merton. Experts highlight the book's ability to synthesize dense theological concepts into a readable format for those interested in contemplative practice.