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Dark Romantasy / Dark Fantasy

A Lesson in Thorns (Thornchapel, 1)

Sierra Simone

Book 1 in the Thornchapel series · Reading order →

SpiceDarkness

How we rate spice & darkness

  • Kindle, paperback & audiobook on Amazon
  • Spice & darkness rated — content warnings listed below

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Why we recommend it

A thornchapel saga's opening chapter, where forbidden ritual and dangerous desire collide across a secretive world. Dark, atmospheric, and unapologetically transgressive.

At a glance

A Lesson in Thorns is book 1 in Sierra Simone’s Thornchapel series. With 5/5 for spice and 4/5 for darkness it sits mid-range for dark romantasy (of the 648 dark romantasy books on Readark, 34% rate lower for darkness and 97% lower for spice). Its tropes include slow burn, forbidden romance and morally grey MC. It is darker than Sierra Simone’s other books on Readark (average darkness 3.5/5). It runs to 368 pages. We have not tagged its content warnings yet, so check the author’s notes before you start.

Book details

Pages
368
Published
March 2025

A Lesson in Thorns spice level

A Lesson in Thorns is rated 5/5 for spice on Readark’s scale: very explicit throughout, meaning frequent, graphic and often kink-forward. Its darkness rating is 4/5: heavy, meaning sustained cruelty, trauma or non-consent central to the relationship. How we rate

A Lesson in Thorns content warnings

We haven’t tagged content warnings for this book yet. If you have specific triggers, check reader reviews before you start.

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