# Event Details

- **Event Name**: Cassandra Clare signing Secrets of Blackthorn Hall
- **Event Start and End Date**: Mon, 16 Mar, 2026 at 05:00 pm – Mon, 16 Mar, 2026 at 06:30 pm
- **Event Description**: Cassandra Clare will be signing copies of Secrets of Blackthorn Hall at the Forbidden Planet London MegastoreAbout this EventThe Forbidden Planet London Megastore will be hosting New York Times Bestselling Author Cassandra Clare to sign copies of her brand new book - Secrets of Blackthorn Hall!Please note that only copies of Secrets of Blackthorn Hall and books from the Kickstarter campaign (Secrets Of Blackthorn Hall, Careful Of Books: A Novella Collection, Better In Black and Notable Shadowhunters And Denizens Of Downworld) will be signed as we want to make sure every ticket holder gets time with the author.Secrets of Blackthorn HallStep into an illustrated Shadowhunters story, told through the letters, diary entries and texts of beloved characters from the Mortal Instruments, Infernal Devices, Dark Artifices and the Last Hours.Shadowhunters Emma Carstairs and Julian Blackthorn are travelling the globe when the Clave orders them to clean up Blackthorn Hall, a crumbling Gothic fairytale mansion hidden away in Chiswick, London—or else the Clave will demolish it once and for all.Amidst the clutter and disrepair, Emma and Julian discover secrets Blackthorn Hall has kept buried for years. Something (or someone…) else haunts the Blackthorn family’s cursed home.With the help of their friends and family, Emma and Julian must restore the hall to its former glory and solve the mystery of the spectral presence which threatens any who interfere, while entertaining Shadowhunter visitors from both sides of the Atlantic.Join beloved characters and fan-favourites in this lovingly illustrated epistolary adventure that bridges the gap between The Dark Artifices and upcoming The Wicked Powers series.Originally serialised on Tumblr and funded through a hit Kickstarter campaign, Secrets of Blackthorn Hall is now in wide print distribution for the first time.Cassandra ClareCassandra Clare is the author of the #1 New York Times, USA TODAY, Wall Street Journal, and Publishers Weekly bestselling Mortal Instruments series and the Infernal Devices trilogy, and co-author of the Bane Chronicles with Sarah Rees Brennan and Maureen Johnson. She also wrote The Shadowhunter’s Codex with her husband, Joshua Lewis. Her books have more than 36 million copies in print worldwide and have been translated into more than 35 languages. Cassandra lives in western Massachusetts.
- **Event URL**: https://allevents.in/london/cassandra-clare-signing-secrets-of-blackthorn-hall/100001984564314287
- **Event Categories**: Art, literary-art, trips-adventures
- **Interested Audience**: 
  - total_interested_count: 0

## Ticket Details

- **Ticket Price Range**: min: 6.13, max: 19.12, currency: GBP

## Event venue details

- **city**: London
- **state**: EN
- **country**: United Kingdom
- **location**: 179 Shaftesbury Ave
- **lat**: 51.5150999
- **long**: -0.1272242
- **full address**: 179 Shaftesbury Ave, 179 Shaftesbury Avenue, London, United Kingdom

## Event gallery

- **Alt text**: Cassandra Clare signing Secrets of Blackthorn Hall
  - **Image URL**: https://cdn-az.allevents.in/events5/banners/49f8b00e2adc5bd399286d1c7c67ef3ab4ab21a8b6db546ae04a1b7400584f39-rimg-w1200-h600-dc1b2c4b-gmir.jpg?v=1772798762

## FAQs

- **Q**: When and where is Cassandra Clare signing Secrets of Blackthorn Hall being held?
  - **A:** Cassandra Clare signing Secrets of Blackthorn Hall takes place on Mon, 16 Mar, 2026 at 05:00 pm to Mon, 16 Mar, 2026 at 06:30 pm at 179 Shaftesbury Ave, 179 Shaftesbury Avenue, London, United Kingdom.
- **Q**: How much do tickets cost for Cassandra Clare signing Secrets of Blackthorn Hall?
  - **A:** Ticket prices for Cassandra Clare signing Secrets of Blackthorn Hall range from GBP 6 to GBP 19 depending on the ticket type. This is a high-demand event - early booking is strongly recommended. Here's a full breakdown of available ticket types:Ticket TypePriceAvailabilityGeneral Admission + copy of bookGBP 19 + GBP 2 feeAvailableGeneral AdmissionGBP 6 + GBP 1 feeAvailable
- **Q**: Who is organizing Cassandra Clare signing Secrets of Blackthorn Hall?
  - **A:** Cassandra Clare signing Secrets of Blackthorn Hall is organized by Forbidden Planet.

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