Mystery Writer Bundle
Mystery Writer Bundle
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Write the ultimate whodunnit.
This is the perfect creative toolkit for writing tales of mystery and suspense, complete with fascinating characters, moody settings, and gripping story hooks.
Whether you're writing a crime novel or adding a dash of mystery to a story in another genre, the Mystery Writer Bundle provides everything you need to start.
Each deck, expansion, and booster offers a different angle for establishing your cast of characters, their motivations, and the conflict at the heart of the mystery.
These mystery writing prompts are perfect if you've ever wanted help with:
- Writing a mystery
- Developing a list of interesting and varied suspects
- Building out characters' backstories and psychological profiles
- Establish an interesting and credible motivations for your detective, your suspects, and your killer
- Mixing together elements of mystery, crime, pulp, and horror in your novel
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With a blend of storytelling prompts and worldbuilding systems, you’ll be able to:
- Generate compelling plot ideas
- Develop immersive cultures
- Infuse your setting with authentic lore that deepens every scene
No more flat worlds, generic magic systems, or characters wandering through places that don’t feel lived in—this bundle helps you create a fantasy universe with texture, history, and heart.
With these decks on your desk, you’ll always have the inspiration you need to build a world worth exploring, and a story worth writing.

Included in this bundle ⮯

The Story Engine Deck
Our bestselling deck of writing prompts delivers instant ideas and endless possibilities for any creative challenge, whether you're a seasoned writer or just getting started.
4 Story Prompt Expansions
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Mystery Expansion
Craft compelling characters, thematic locales, and plot ideas ready to develop into mystery novels, novellas, or short stories.
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Backstory Expansion
Give every suspect an interesting backstory that ties them to the victim or the crime, and develop a killer and detective who feel grounded in the world of your story.
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Character Questions Expansion
Write suspects that feel real using open-ended questions to flesh out details, from formative memories and core beliefs to petty grudges and personality quirks.
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Relationships Expansion
Create a web of tangled character relationships that power page-turning plots with an expansion focused on exploring motivations and conflicts that link characters.
2 Mystery Subgenre Boosters
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Pulp Fiction Booster
Add a dash of pulp and a dollop of noir to your mystery with a 20-card booster set full of classic magazine fiction tropes.
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Gothic Horror Booster
Add suspense to your mystery with prompts about drowned ghosts, crumbling estates, and bloody family secrets.
Why 15,000 writers love our decks
Authors Who Love Our Decks
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Maggie K. Black
USA Today-bestselling author of over 40 novels of suspense and romance through Harlequin Publishing.
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C. L. Clark
Multi-award-winning author of The Faithless and Warmongers.
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Aliette de Bodard
Award-winning author and winner of Nebula, Ignyte, Locus, European Science Fiction Society, British Fantasy, and British Science Fiction Association awards.
Upgrade Your Bundle
- Save $90 in bundle discounts
- Free shipping within the United States
- Includes The Story Engine
- Comes with 8 story expansions + all 12 subgenre boosters in a collectible slip case
- Everything you need to write your novel
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