Citadel of Fear is a thrilling and imaginative novel that combines elements of science fiction and horror. The story follows a group of explorers who stumble upon a mysterious citadel hidden deep in the jungle, only to discover that it is inhabited by a terrifying supernatural force.

The author, Gertrude Barrows Bennett, does an excellent job of creating a sense of tension and unease throughout the book, keeping readers on the edge of their seats as the characters uncover the dark secrets of the citadel. The descriptions of the supernatural elements are vivid and spine-tingling, and Bennett's writing style is engaging and immersive.

While some of the plot twists may be predictable, the overall story is well-paced and keeps readers hooked from beginning to end. The characters are well-developed and relatable, adding depth to the narrative and making it easy to become invested in their fates.

Overall, Citadel of Fear is a captivating and suspenseful read that will appeal to fans of both science fiction and horror genres. Bennett's deft storytelling and imaginative world-building make this a must-read for anyone looking for a thrilling and engrossing adventure.

Book Description:
Gertrude Barrows Bennett was the first major female writer of fantasy and science fiction in the United States, publishing her stories under the pseudonym Francis Stevens. Bennett wrote a number of highly acclaimed fantasies between 1917 and 1923 and has been called "the woman who invented dark fantasy". Citadel of Fear is considered Francis Stevens' masterpiece, by Lovecraft's acclaim. Two adventurers discover a lost city in the Mexican jungle. One is taken over by an evil god while the other falls in love with a woman from the ancient Mexican city of Tlapallan. Citadel of Fear was first published as a serial in Argosy Magazine in 1918-1919. It was eventually republished as a novel in 1970. It is now considered a "lost classic".