A Lesson in Thorns by Sierra Simone book cover
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Eerie Efficiency Book Profile

A Lesson in Thorns

Series membership: Thornchapel · Listed position 1
2019 Adult
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Best for readers who like: Atmospheric country-house mysteries, queer ensemble relationships, sexual awakening, ritual and detailed kink exploration.
What do these ratings mean?

These are Eerie's editorial scores. Spice is scored out of 5; the other scores are out of 10. Higher intensity does not mean a better book. Romance Focus measures how central the relationship is to the story. Overall Recommendation is Eerie's recommendation for the book's intended readers.

Read the full rating methodology

Spice4/5
Darkness6/10
Obsession6/10
Psychological6/10
Violence4/10
Emotional Damage7/10
Trigger Intensity7/10
Romance Focus8/10

Book at a Glance

Series membershipThornchapel
Readable on its ownno
POVFirst person • Multiple POV • Third Person
PaceSlow
Story LengthStandard
EndingCliffhanger / Series Continues
WorldContemporary
SettingRural / Wilderness
RelationshipF/F • M/F • M/M • Polyamorous
Obsession TypeRomantic Fixation
Experience LevelInexperienced FMC
Subgenreerotic romance • gothic romance
MMC TypeAlpha / Dominant • Vulnerable / Guarded
FMC TypeDefiant / Strong • Survivor / Trauma
MMC OccupationAcademic / Professional
Writing StyleAtmospheric / Gothic • Erotic / Explicit • Literary / Lyrical
MMC PersonalityAuden Guest is an architect and estate owner whose polished confidence hides jealousy, grief and a growing desire to dominate and care for others. Saint Sebastian Martinez works in the village library and his uncle’s construction business; guarded and guilt-ridden, he is protective and drawn to submission. Father Becket Hess struggles to reconcile religious devotion with desire.
FMC PersonalityPoe Markham, 22, is a curious, determined librarian searching for answers about her missing mother. She has narcolepsy without cataplexy and knows her tastes as a submissive, while partnered sex is new to her. Rebecca Quartey is a meticulous landscape architect and confident Domme; Delphine Dansey is a warm, body-positive influencer reclaiming her desires after trauma.

Tropes & Themes

Trigger Warnings

These tags describe potentially sensitive material in the book and may not be a complete list. A missing warning does not confirm that the content is absent. HEA/HFN describes the romantic ending, not the absence of disturbing content. Check the author's current content notes before reading.

alcohol useBDSMblood playbody shamingChild abuseconsent ambiguityexplicit sexual contentgriefhuman remainsinfidelitymissing parentparental deathracismsexual assault in backstoryviolence

Eerie Take

An immersive, deliberately paced gothic erotic romance with tangled loyalties and a strong sense of place. Begin it expecting an ongoing series: this volume ends on a sharp cliffhanger rather than a resolved romantic ending.

Poe Markham returns to Thornchapel to catalogue its neglected library and investigate the disappearance of her mother. Living at the remote Devon estate reunites her with five childhood friends, including the aristocratic Auden Guest and the guarded Saint Sebastian Martinez, whose attraction to each other is tangled with old hurt.

As Poe uncovers traces of the estate’s seasonal rituals, the friends begin exploring desires they have kept hidden. Their growing intimacy brings tenderness, jealousy and difficult questions about trust, while the ruined chapel draws them toward secrets none of them fully understands.

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Eerie’s editorial intensity scores never change because readers vote. Community averages are calculated separately from voluntary public submissions.

Reader enjoymentNo votes yet0 public ratings
Intensity
Eerie editorial
Readers
Spice
4/5
Waiting for votes
Darkness
6/10
Waiting for votes
Obsession
6/10
Waiting for votes
Psychological Intensity
6/10
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Violence
4/10
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Emotional Damage
7/10
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Trigger Intensity
7/10
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Romance Focus
8/10
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