This book investigates the nature of psychic attack and provides methods for self-protection against malevolent psychic influences. Written by a prominent occultist, it draws upon esoteric traditions and psychological understanding to offer practical guidance. The author aims to demystify psychic phenomena and empower individuals to maintain their mental and spiritual well-being in the face of unseen threats. It presents a framework for understanding the subtle energies that can impact an individual's life.

This work is regarded as a foundational text within occult and esoteric circles, offering a practical approach to a subject often shrouded in mystery. Dion Fortune's extensive experience in occultism lends weight to her explanations and techniques. The book is valued for its clear articulation of complex concepts and its actionable advice for practitioners seeking to safeguard themselves against psychic harm. It is often recommended for those beginning their study of psychic self-defense.