In the landscape of contemporary horror, few motifs resonate with the visceral intensity of body horror—the realization that the most intimate space we possess, our own biology, can be subverted, colonized, and puppeteered by an alien presence. This August, readers will encounter a chilling exploration of this dread in Tapeworm, the latest novel from author A.P. Thayer. Published by Evil Twin on August 18th, the novel promises to be a defining entry in the body-horror genre, blending the psychological decay of a failing marriage with the primal terror of an ancient, insatiable entity.
Accompanied by an immersive audiobook production narrated by Lee Osorio, Tapeworm is poised to disturb and captivate audiences, bridging the gap between high-concept supernatural fiction and the grounded, often painful reality of human relationships.
The Narrative Premise: A Desert Descent
At its core, Tapeworm follows the story of Victor, a man attempting to salvage the remnants of his life following a painful separation from his wife, Trish. Hoping to mend his fractured social circle, Victor joins his friends for their annual weekend retreat in the Californian desert town of Superstition.
However, the town’s name proves prophetic. Beneath the sun-bleached landscape lies an ancient, dormant hunger—a formless, parasitic consciousness that has been imprisoned for millennia. As the group’s emotional bonds begin to fray, the creature senses an opportunity. It is a story about the intersection of human desire and cosmic predation; as Victor grapples with the pressures of his failing marriage and his own repressed impulses, the "Welcoming Committee" of Superstition offers him a temptation that feels almost too good to be true. The novel posits a harrowing question: what is the true price of satisfying one’s deepest, most suppressed needs?
Chronology of a Harbinger
The prologue of Tapeworm serves as a masterclass in atmospheric tension, establishing a timeline that spans from geological eons to the modern-day breakdown of a romantic relationship.
- The Seismic Awakening: The story begins with a rare, violent earthquake in Superstition Valley. Unlike the typical seismic activity of the region, this tremor is accompanied by a final, deep-earth echo—a release of a "formless mist of yellow" that has been trapped in the abyss for thousands of years.
- The Sensory Rebirth: Upon its escape, the entity begins to process the world. It is not merely a beast, but a sentient intelligence that feeds on pain, grief, and the complex, volatile emotions of humans. It notes the desert landscape, once desolate, now populated and vibrant with life.
- The Intersection of Trauma: As the entity nears the surface, it fixates on Trish, who is experiencing the tail-end of a disastrous weekend getaway. Her intense, "heady mixture" of grief and frustration serves as a beacon for the creature.
- The Infiltration: The transition from the creature’s underground prison to the physical world is completed when it identifies a point of entry. Through a combination of manipulation and biological stealth, it attaches itself to the hosts, beginning a cycle of consumption that will ultimately consume not just the individuals, but the fabric of the group’s shared reality.
Supporting Data: The Anatomy of Horror
The horror in Tapeworm is not merely jump-scares; it is structural. The novel employs a sophisticated use of "biological horror," where the parasitic nature of the entity is mirrored by the "parasitic" nature of the protagonists’ failing relationship.
The Symbolism of Decay
Thayer’s writing uses the dying marriage of Victor and Trish as a living, breathing metaphor for the entity itself. The text describes their relationship as a "bloated dead thing, waterlogged and expanding with gas," a poignant observation on the way toxic relationships often linger long after their expiration date. By linking this emotional rot to the creature’s physical hunger, Thayer effectively argues that the most dangerous monsters are the ones we harbor within our own intimate circles.
Audio Production and Immersion
The inclusion of an audiobook version—narrated by Lee Osorio—adds an extra layer of dread. Horror, particularly when it involves the sound of internal bodily shifts and psychological manipulation, is uniquely suited for the audio format. Osorio’s performance is designed to capture the "sickly sweet" voice of the creature, providing a discordant contrast to the frantic, strained human dialogue of the characters.

Official Commentary and Creative Vision
The publication of Tapeworm comes at a time when the "elevated horror" subgenre is enjoying a significant resurgence. By choosing the desert town of Superstition as the setting, Thayer utilizes the classic trope of the "isolated locale" while infusing it with a uniquely modern sense of existential dread.
Early excerpts suggest that the creature acts as a mirror for the characters’ darkest impulses. By "leaking excretions into the bloodstream" and spiking hormones like cortisol and norepinephrine, the creature does not just control its victims; it amplifies their worst traits. It is a commentary on how anger and repression, when left unchecked, can turn us into something unrecognizable—a vessel for something far more predatory than ourselves.
Implications for the Genre
Tapeworm is set to challenge the boundaries of what is considered "vampire fiction." By moving away from the romanticized, gothic tropes of traditional bloodsuckers and into the realm of parasitic, subterranean body horror, A.P. Thayer is carving out a niche that feels both ancient and alarmingly contemporary.
The Price of Admission
The central theme—that a price must be paid for services rendered—serves as the narrative engine of the book. The "Welcoming Committee" is not offering a gift; it is offering a transaction. This trope, common in folklore but rarely executed with such clinical, biological detail, suggests that the residents of Superstition (or at least those who survive the weekend) may find their group bonding evolving into something more permanent, and far more terrifying.
A Warning to Readers
As August 18th approaches, the anticipation for Tapeworm is palpable. It is a book that demands to be read with the lights on, though as the prologue suggests, the shadows of the peaks are moving, and the creature is patient. Whether you engage with the text via the print edition or the visceral, haunting experience of the audiobook, Tapeworm is poised to be one of the most talked-about releases of the year.
For those eager to experience the start of this descent, the audiobook excerpt provided by the publisher serves as an essential introduction to the auditory terror that awaits. As the sun sets over Superstition and the valley falls into darkness, the question remains: are you, too, inviting the hunger in?
Listen to the official audio excerpt here:
YouTube: Tapeworm Audiobook Excerpt
Excerpted from Tapeworm, copyright © 2026 by A.P. Thayer. Published by Evil Twin.








