Get every book to every reader, in every format.
Six Red Marbles helps trade publishers bring finished books to market faster in print, digital, and born-accessible editions without compromising quality or your pub dates. SRM is a senior, US- and UK-led partner backed by a mature global production engine built for the rhythm of frontlist and backlist alike.
- Print, ebook, and accessible editions from a single source
- 99.995% on-time delivery across millions of pages a year
- Accessibility built into production, not bolted on
- Backlist conversion and reissue at scale
- Senior, direct collaboration — a right-sized partner, not a ticket queue
- A US and UK front door with global delivery for resilience
Let's Talk About Your List
Tell us about your titles and timelines and our team will follow up within one business day.
Built for every corner of trade publishing
Major & Big Five Trade
Frontlist surges, tight pub dates, and high volume. We scale with your season and hold your schedule.
Independent & Literary
Senior attention and craft for houses where every title matters. You get a partner, not a queue.
Illustrated & Specialty
Complex layouts, image-heavy pages, and co-editions, handled with production discipline and care.
University Press
Scholarly rigor, dense composition, and accessibility standards met across long lists.
Hybrid & Author Services
Flexible, white-label production that scales up and down with your author pipeline.
One source, every format.
Composition, Design & Templates
Typesetting, composition, cover and interior design, and reusable series templates across print and digital-first formats.
EPUB & Digital Distribution
Standards-compliant EPUB 3 and structured digital outputs, optimized for retail, library, and direct-to-consumer channels.
Accessibility & Compliance
Born-accessible files prepared and remediated to EPUB 3, WCAG, and NIMAS standards.
Backlist Conversion & Reissue
Converting and re-mastering backlist into current digital and accessible formats at scale.
Image & Art Processing
Image creation, correction, redraws, and color management for illustrated and complex titles.
Editorial & Pre-Production
Copyediting, proofreading, alt-text writing, and language tagging.
Production you can build a schedule on
A partner built for the rhythm of trade publishing
A right-sized partner
You work directly with senior production and editorial leads. Faster decisions, fewer handoffs, and a team that learns your list.
Production you can schedule around
A 99.995% on-time record across millions of pages a year means your pub dates hold, even during frontlist surges.
Digital-first and accessibility-led
Every title is built for print, digital, and accessible formats from the start. AI-assisted tooling, always paired with human review.
Global delivery, built for resilience
A US and UK front door with established India-based production gives you parallel workflows and time-zone coverage.
"You and your team are an absolute delight to work with. You are a great partner and make my work easier."
— Editorial lead, a Big Five children's imprint
Real lists, real deadlines
Over 800 pages to market in 24 hours
A leading trade publisher came to us with an 800-plus-page title to convert, validate, and make distribution-ready in a single day, ahead of a high-profile release. Delivered in 24 hours, with zero rework.
5,366 titles validated on deadline
Working to a fixed, non-negotiable deadline, an automation-driven workflow validated and remediated a 5,366-title EPUB catalog, with a major reduction in manual effort and zero overruns.
Accessibility that reads naturally
AI-assisted language tagging, refined by human review to skip common loanwords, delivered full WCAG compliance without disrupting the reading experience.
