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Penguin Random House Testimonial – Trade Publishing

Six Red Marbles is a consistently reliable partner. Their responsiveness, communication, and ability to meet demanding schedules make them a trusted extension of our production team.

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Blog Ask an Expert Course Design

Ask an Expert: James Peters

Meet James Peters, Team Lead Instructional Designer at Six Red Marbles. James is shaping the future of education one project...

Sep 16, 2025
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