The Sídhe Deal: A Complete Guide to Fairy Romance

Three new ACOTAR books are scheduled to drop within 12 months. The elaborate court system that defines modern fae romance is almost entirely a modern invention. The folklore it replaced is wilder.

The Sídhe Deal is folklore, fiction, market data, and a quiz including a cultural history from the Tuatha De Danann to the $610 million romantasy boom, an annotated bibliography, a seven-question quiz matching you to five underexplored fairy archetypes, and a market intelligence report built from Amazon's Top 200 bestsellers and 1.6 million reviews.

For authors writing or planning fairy/fae romance. Plan your 2026 accordingly, with 60 endnotes in the historic lore and ACOTAR 6 and 7 release window analysis.

Data collected March 2026. By EJ Nyman, Monster Romance Reviews.

Inside this guide:

• Stolen, Cursed, and Coveted — Changeling belief, the leanan sidhe, Tolkien splitting the fairy concept in half, Disney completing the miniaturization, and the SJM effect. How a word that started as a vibe became a genre.

• The Changeling's Library — Annotated bibliography: Sarah J. Maas, Holly Black, Callie Hart, Caroline Peckham, and the indie authors beyond the ACOTAR shadow. Plus folklorists, podcasts, and documentaries.

• What Fairy Romance Should You Write? — Quiz matching you to five folklore archetypes (leanan sidhe, selkie, puca, bean sidhe, brownie). Each result: folklore primer, marketing gap note, and a story premise you can steal.

• Away with the Data — "Fae" vs. "fairy" terminology gap (5x review difference). Bulletproof tropes (Court Intrigue, Slow Burn). Four career-killing mistakes. Heat level distribution. The Callie Hart Quicksilver market story.

Subscribe and save: One report costs $12.99. A year of Bestiary Society membership on Substack gets you every market report, lore deep dive, annotated bibliography, and reading list for $70/yr.