Leaders In Educational Design Services

Experts In Detailed, Complex Layouts

Our production team has expertise in developing, planning, and
producing detailed, complex page layouts.

Over 25 Years of Diverse Experience

Six Red Marbles brings over 25 years of experience spanning the
full educational spectrum, across traditional, hybrid, & eLearning

Extensive Services

We have everything covered, from composition to design to quality
assurance and publishing, and we hire the best talent to do it.

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What We Do

Content Development

Learning Experience Design



Project Management

Technology & Innovation


  • Interior book design, cover, & spine design
  • Composition, page design, & layout
  • eBooks (all formats)
  • LMS build
  • Content migration
  • Functional QA testing

  • Color correction & image manipulation
  • Reprint work
  • Asset development
  • Conversion services including PDF, XML, HTML5, ePub, Mobi, and Nook
  • Full key/code and edit

  • Accessibility integration
  • Text, image, & audio/video permissions
  • Technical quality assurance
  • Content & art quality assurance
  • Accuracy & answer checking


“The entire SRM team is outstanding. This project would not have happened without them. I cannot thank them enough.”

Core Knowledge

"HBG has counted on Six Red Marbles' design and composition services for over 3 decades. We've trusted them with our most valuable book projects and authors. They've developed special workflows and synergy for us that we count on daily. We consider them an important production partner."


"I cannot tell you how much I appreciate the fast work on this project. You’ve exceeded my expectations and helped us get product to our customers for January classes."



From cover designs and layouts for printed materials to e-book, XML, or LMS digital outputs, Six Red Marbles will work with you to ensure your product is ready to launch.

Access The Highest-Quality Media

In addition to photo procurement, we create and produce our own media. From simple illustrations to complex animations, our production team can meet any publishing or media needs.

Proven Project Management Services

Keep all of your organization's educational projects running on time and on budget with our experienced, US-based project management team.

Who We Serve

PRE K-12




"Always a Student" - The SRM Difference

We don’t rely on how we did things years ago or even yesterday.

“Always a Student” means that as a company and as a partner we always innovate, evolve, optimize, and—yes—learn.