Book Review – The Unfathomable Curse by Courtney Smyth

The Unfathomable Curse by Courtney Smyth

Fantasy | Adult | 496 pages
Published on 23 September 2025 by Titan

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Synopsis

the unfathomable curse book cover

A witty, witchy fantasy murder mystery packed with ancient magic and fiendish puzzles. When Cornelia’s twin sisters are taken by the Wickermere Reaper, Mallory, Diana and Theodore must race against time to uncover the buried secrets of the Broadwicks before it’s too late. Perfect for fans of supernatural mysteries and cosy crime by authors such as Ben Aaranovitch, Josiah Bancroft and Tammie Painter.

The summer after the events of The Undead Complex, the unthinkable finally happens – Cornelia’s money is running out. Estranged from her family, furious at her parents following recent revelations, the Broadwick heir finds herself living on her own resources for the first time.

Meanwhile two crimes are rocking the Apparent community. The Wrackton Digger is stealing bodies from the cemetery, and a new serial killer – the Wickermere Reaper – has emerged. But when the Reaper snatches their next victims – Cornelia’s twin sisters – she must return to her family’s home, and seat of the Ghoul Council, to conduct the search.

With their resources split, and a ticking clock on the race to save the twins, The Undetectables must do what they do best – solve the strangest, most well-hidden magical mysteries to save the people they love.

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My rating:

Rating: 4 out of 5.

Review

I received this book from the publisher via Net Galley in exchange for an honest review.

This series is just so much fun, and I loved this installment!  It was great to see more of the world and the council and how it affects Cornelia in particular. 

As always, it deals with disability throughout, but here it was good to see the after effects of their previous adventures being dealt with – from Diana’s hearing loss to Cornelia’s anxiety. We also see more of how she’s been dealing (or not dealing) with her family, and I liked how the insight to her past gave her character new depth. We also finally get some much wanted answers to questions running through the series, yay!

The mysteries were, as always, totally fantastic and kept me guessing throughout. The ending though has me raving for the next book!! So mean. 

4.25 stars

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Buy The Unfathomable Curse by Courtney Smyth from Waterstones.

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