Subject 375

Book Cover



Nikki Owen

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A surgeon with Asperger's finds herself in prison for the murder of a priest, but she has no memory​ of killing him.



Short Summary

Dr Maria Martinez is convicted of killing a priest, she's alone, in prison and has no memory of the murder. Evidence places Maria at the scene, yet she claims innocence. Then she starts to remember. A strange room. Being watched. And she must fight not only to clear her name but to stay alive.

Dr Martinez discovers that she's been framed for murder as part of an international group, named Project Callidus, linked to MI5 who have been tracking Maria from an early age. Acquitted​ of murder, Maria kills one of the MI5 operatives in London and has to flee to Spain to hide.


London, Madrid, Salamanca

Based on a True Story


Plot - Premise

Overcoming Monster/Villain

Plot - Other Elements


Mature Audience Themes

Information not completed

Main Character Details

Name: Dr Maria Martinez

Age: Thirties

Gender: Female

Role: Protagonist

Key Traits: Skillful,Gracious,Faithful,Engaging,Decisive,Badass,Blunt

Additional Character Details

Name: Patricia

Age: Twenties

Gender: Female

Role: Sidekick

Key Traits: Faithful,Empathetic,Desperate

Additional Character Details

Name: Balthus

Age: fifties

Gender: Male

Role: mentor

Key Traits: Educated,Leader,Complex,Engaging

Additional Character Details

The author has not yet written this

Development Pitch

This is a novel written in cinematic style and ripe for viewers seeking a strong, female lead. Told from the first person, it follows, step-by-step each movement and thought of the main character, Dr Maria Martinez. She has Asperger's and to see into her mind is not only fascinating, but it makes good watching. Nail biting, with page-turning drama and action coupled with endearing characters who you bond with from the get-go, Subject 375 - and, indeed, the entire 3 books of the internationally published, award-winning Project trilogy - will leave viewers on the edge of their seats after watching a high concept, highly adaptable book to screen action thriller.

About The Author

Born in Dublin, Ireland, Nikki Owen is an award-winning writer and playwright. Previously, Nikki worked in advertising as a copywriter​ and was a teaching fellow at the University of Bristol, UK, before turning to writing full time. As part of her degree, she studied at the acclaimed University of Salamanca - the same city where her protagonist of Subject 375 Dr Maria Martinez, hails from. Part one in the Project trilogy, Subject 375 was Nikki's debut international novel and was published in over 10 languages around the world, was selected for TV Eire AM prestigious Book Club choice and was part of Amazon's 'Rising Star debut selection'. The trilogy has now won multiple awards in the UK & USA, including Book Noir Thriller of the Year 2018 (The Killing Files) and both Subject 375 and The Killing Files shortlisted for the USA Forward Reviews Book of the Year Award. Nikki is now a full-time writer and lives in the Cotswolds, UK with her family.

Target Audiences

Age: 18-34

Target Gender: Universal

Group Specific

Information not completed

Publishing Details

Status: Yes: with a Publisher

Publisher: Harper Collins

Year Published: 2015

Hard Copy Available