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The Devil-Tree of El Dorado: A Novel
Frank Aubrey (1847–1927)
An intrepid expedition discovers a hidden, thriving civilization atop the mist-shrouded peak of Roraima, where ancient technology, mythical beasts, and a deadly sentient plant safeguard the secrets of El Dorado.
In Short
This work is a quintessential example of late-Victorian "lost world" adventure fiction. It follows a group of explorers who venture into the unexplored reaches of British Guiana to find the legendary, isolated table-land of Roraima. What they encounter is a high-tech, utopian society existing in deep, prehistoric seclusion. By blending scientific curiosity with elements of the supernatural and imperial anxiety, the book captures the era’s fascination with mapping the final "blank spaces" on the map, enduring as a relic of colonial-era fantasy and speculative exploration.
The Story
The narrative begins with a pressing geopolitical concern: the ownership of Mount Roraima in British Guiana. A group of men, including the practical Jack Templemore and his enthusiastic friend Leonard Elwood, are drawn into a mysterious quest to explore this mountain. Guided by an enigmatic, powerful figure named Monella, they ascend the precipitous cliffs, discovering that the summit is not merely a geographic anomaly but a hidden, verdant kingdom known as Manoa.
Upon arrival, the explorers find a society that has lived in complete isolation for ages. The land is technologically advanced, powered by electricity, and rich with ancient museums, yet it is also haunted by the "forest of demons" and a predatory, sentient tree that demands human sacrifices to maintain the nation's peace. The society is overseen by a king and a high priest, the latter being the sinister Coryon, who manipulates the dark, ritualistic elements of their religion to maintain control over the people.
As Leonard and Jack integrate into this society, they become entangled in the internal power struggles of the kingdom. Leonard falls in love with the princess Ulama, finding himself drawn to the utopian stability of the culture, while Jack focuses on the practicalities of survival and the potential for a way back to the outside world. The conflict culminates in a violent struggle against Coryon, who attempts to seize power and claim Ulama for himself. Monella and his allies, utilizing both their superior weaponry and their knowledge of the land, eventually defeat the corrupt priest. In a climactic moment, Coryon meets his end, fed to the very "Devil-Tree" he once served.
The story concludes with a shift in focus back to the present. Leonard chooses to remain in Manoa, fully embracing his new life and his future marriage to the princess. Jack returns to the outside world, bound by a vow of secrecy. However, the narrative frame suggests that in light of modern boundary disputes between Great Britain and Venezuela, the time has come to reveal the truth about Roraima. The discovery is presented not just as a lost paradise, but as a strategic asset that the narrator believes should be secured for British interests, thereby blending the fantastic elements of the myth with the political realities of the author’s contemporary world.
How It Unfolds
The call of the unknown The story opens with the geopolitical tension surrounding Roraima, framing the mountain as a scientific mystery that demands exploration. Leonard Elwood resolves to undertake the journey regardless of the dangers, eventually persuading Jack Templemore to join him.
The ascent into the clouds Guided by the mysterious Monella, the party navigates the treacherous cliffs and the "forest of demons" surrounding the mountain's base. They are astounded to witness the mountain’s dramatic environmental shifts, which seem to act as a natural, mystical shield against outsiders.
The discovery of Manoa The explorers reach the summit to find a utopian society hidden from the rest of the world. They encounter a sophisticated civilization with advanced lighting and ancient museums, all governed by a delicate balance between progress and a dark, sacrificial religion.
The conflict with the priest The group faces the treachery of the high priest Coryon, whose ambition and cruelty threaten the stability of the entire nation. Through a series of violent confrontations and political maneuvers, the explorers and Monella fight to dismantle the priest's power base.
The resolution of the ordeal Coryon is defeated and sacrificed to the predatory tree that he once used to terrorize his people. Order is restored under the king, and the path is cleared for Leonard to fully commit to his new life in the hidden land.
The return and the secret kept Jack departs the mountain, bearing the weight of the secret he has promised to keep. The narrative closes with his realization that the geopolitical climate necessitates finally sharing the story with the world to protect the mountain's future.
The People
Leonard Elwood is the romantic lead of the expedition, driven by a sense of wonder and a desire to escape the limitations of the modern world. His trajectory takes him from a restless traveler to the future king of Manoa, finding a sense of belonging and love that leads him to abandon his old life entirely.
Jack Templemore serves as the grounded, pragmatic foil to Leonard. He is initially motivated by loyalty to his friends but evolves into a reluctant hero who survives the trials of the mountain through grit and resourcefulness. He remains the bridge between the two worlds, carrying the burden of the mission’s secret.
Monella is the most complex figure, possessing a commanding presence and an intimate knowledge of Roraima’s hidden history. He acts as the mentor and protector of the group, holding a mysterious authority that suggests he is a man of dual worlds, deeply invested in the survival of Manoa and its people.
Coryon serves as the primary antagonist, embodying the corrupt intersection of religious fanaticism and political greed. His arrogance and cruelty represent the threat to the utopian peace of the kingdom, and his eventual downfall serves as the narrative’s moral reckoning.
Ulama is the daughter of the king and the heart of the kingdom’s future. She represents the innocence and beauty of Manoa, and her connection with Leonard provides the emotional core that anchors him to the mountain, transforming him from an outsider into a member of their society.
In Its Own Voice
"This is not the place in which to give a long description of Roraima."
The author acknowledges the scientific and legendary status of the mountain while shifting the focus toward the narrative's adventure.
"The forest also lost its verdant colouring and looked dark and forbidding enough to pass for an enchanted wood peopled by dragons, demons, and hobgoblins to guard the grim castle in its centre."
The description captures the atmospheric, fairy-tale quality that the explorers perceive as they first look upon the hidden mountain.
"Love can make the plainest works of nature beautiful; small wonder then if it makes those that are really so display new and unsuspected charms."
Leonard reflects on the transformative power of his attachment to the hidden kingdom and his feelings for the princess.
What It's Really About
At its core, the book examines the intersection of scientific exploration and the human need for the miraculous. It asks whether a civilization can truly thrive in isolation, protected by a combination of high technology and archaic, brutal religious sacrifice. The narrative juxtaposes the "civilized" nature of the explorers with the "savage" rituals of the mountain, ultimately questioning the cost of peace. It explores the tension between duty to one's origins and the allure of a perfected, albeit secret, society. Finally, it serves as a piece of imperial propaganda disguised as fantasy, suggesting that the "discovery" of hidden lands is essentially a matter of national interest and geopolitical strategy, tying the mythic to the mundane power struggles of the late 19th century.
Why Read It Today
Readers who enjoy the classic adventure style of H. Rider Haggard or Jules Verne will find much to appreciate in this narrative. It offers a vivid, if sometimes dated, immersion into the "lost world" genre, characterized by grand vistas, mysterious artifacts, and the thrill of discovery. It feels like a time capsule of a period when the map still held secrets and the imagination was free to populate the unknown with both utopias and nightmares.
However, the modern reader should be prepared for the period-specific attitudes embedded in the text. The author’s colonial perspective is evident in his desire to claim Roraima for the British Empire, and the characters often display a sense of superiority that reflects the racial and political biases of the late 19th century. Furthermore, the prose is dense and occasionally moralistic, reflecting the Victorian penchant for long, descriptive passages. Despite these historical barriers, the book remains a compelling read for those interested in the history of science fiction. It is a striking example of how popular literature once used fantasy to process geopolitical anxiety, and the image of the "Devil-Tree" remains a uniquely haunting contribution to the literature of the weird. Those who value the architecture of early genre fiction over contemporary pacing will find this a fascinating, if sometimes challenging, journey.
This summary was written by AI (gemini-3.1-flash-lite) on 2026-08-27 and is a guide to the book, not a replacement for it — it can be incomplete or wrong. The book itself is public domain. Copyright & AI disclosure · Report a problem





