Le Monde inconnu d'Hergé by Bertrand Portevin is a scholarly exploration of the hidden symbolic, mythological, and esoteric dimensions in the work of Hergé, the renowned creator of The Adventures of Tintin. Drawing on disciplines such as astrology, tarot, and ancient symbolism, Portevin analyzes recurring motifs, archetypes, and structural patterns across Hergé’s comics. The book investigates how these elements contribute to the deeper narrative and psychological resonance of the Tintin series, offering readers a nuanced perspective on one of the most influential figures in European comics. With 224 pages of detailed analysis, this French-language volume appeals to both fans of Tintin and those interested in the intersection of popular culture and symbolic systems.