Submit Your Book

Thank you for your interest in having your coloring book listed on ColoringBook.com. Please complete the information below. Submission does not guarantee acceptance or publication on the website.

Submission Guidelines

Manuscript and Art Submissions

Really Big Coloring Books®, Inc. (RBCB), publisher of adult and children’s books and owner of ColoringBook.com®, creates coloring books, activity books, educational books, storybooks, regular books, and specialty publications for children, families, schools, organizations, and adults.

We welcome submissions from writers, illustrators, educators, independent publishers, and content creators. Please review the appropriate section below before submitting your work. RBCB also prints and private brands for other publishers, imprints and programs.

Writers – currently not receiving manuscripts.

RBCB considers original manuscripts, book proposals, educational concepts, activity books, storybooks, biographies, and other illustrated projects.

Please submit a brief introduction, project description, intended audience, author biography, and complete manuscript or representative sample. Include illustrations if available. Only submissions of interest may receive a response.

Illustrators

Illustrators may submit sample artwork or a link to an online portfolio. Coloring-book artwork should generally feature clean outlines, closed shapes, open coloring spaces, and age-appropriate subject matter.

Please include your contact information, experience, artistic specialties, availability, and disclosure of any AI-generated or AI-assisted content. Do not mail original artwork.

Published Book Submissions

Authors and publishers may submit completed books for possible listing, sale, or distribution through ColoringBook.com® and other RBCB sales channels.

Please provide a cover letter, a PDF of the complete book, or a physical copy of your book.

Please allow up to 60 days for review. Submission does not guarantee publication, acceptance, listing, sale, or distribution. We may respond only to projects of interest.

All submitted material must be original, properly licensed, and controlled by the person or organization submitting it. Submission does not transfer ownership or publishing rights to RBCB. If you have questions, please email: [email protected]

Thank you for considering Really Big Coloring Books®, Inc. and ColoringBook.com®.

St. Louis, Missouri
Publishing Books Since 1988
314-695-5757
[email protected]