At Sigilmark, stories aren’t just promoted
—they’re championed.
Founded by Mark Sigil, Sigilmark is a boutique promotions agency dedicated to helping standout authors reach passionate readers. We partner with bold, boundary-pushing voices across genres—from steamy romance and gripping thrillers to unforgettable indie gems—and bring their books into the spotlight they deserve.
We believe in the power of a good story, and even more in the power of connecting it to the right reader at the right time.
When you join the Sigilmark community, you’re stepping into a world of curated literary discovery. From early access to new releases, to weekly updates and exclusive subscriber perks, we make sure you’re always one step ahead in the book world.
This isn’t just about marketing. It’s about magic.
It’s about matching the right reader to the right book—again and again.
Sigilmark. Where books find their people.
Meet the Minds Behind the Magic
At Sigilmark, our authors don’t just tell stories—they create experiences. Every book is an invitation into a world built from their obsessions, their daring, and their refusal to play it safe.
Here you’ll find the dangerously seductive, the hauntingly atmospheric, the sharply funny, and the quietly devastating. From pages that make you blush to plots that keep you up all night, our roster is as varied as it is unforgettable.
Click on a name. Step into their world. Whether you’re in the mood for a billionaire’s wicked charm, a mind-bending psychological twist, a slow-burn Southern storm, or a hit of pure pulp adrenaline, you’ll find it here—fresh, fearless, and impossible to put down.
Sigilmark authors aren’t just writing for you. They’re daring you to feel something.
Sabine De La Croix
Sabine De La Croix writes spicy women’s literature—stories where heat, heart, and daring desire collide.
Victor Peter
Victor Peter writes sharp, unsettling psychological fiction that exposes the darkest corners of the human mind.
Siannah Fox
Siannah Fox writes high-heat billionaire romance where seduction meets power and no heart is safe.
Max Shadow
Max Shadow writes gritty, fast-burning pulp fiction packed with danger, desire, and double-crosses.
Sofi Douglas
Sofi Douglas writes Southern Gothic noir thrillers steeped in secrets, shadows, and slow-burn menace.
Bella Summers
Bella Summers writes heartwarming, laugh-out-loud holiday rom-coms with a sprinkle of seasonal magic.
Benny Bumster
Benny Bumster writes cozy trailer-park mysteries with murder, moon pies, and just enough romance to keep it steamy.
Jack Puddlemore
Jack Puddlemore writes cozy lake mysteries, with porch gossip, small-town secrets, and Sugarfoot’s adventures.
Reach out — we love talking books.
We’re here to answer your questions, share more about our authors, and help you discover your next favorite read.
Whether you’re a lifelong book lover or just curious, drop us a message — we’d love to hear from you.