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Submissions and Proposals

We welcome unsolicited manuscripts and book proposals from around the world that are in line with our mission: to help readers “Discover your resource.”

 We request that you take a moment to look through our books or latest rights guide to get a feel for what we publish, as well as determine whether your book is a good fit for our catalog. Please note we seek authors who are open to a “boundary-free” approach to publishing who are open to the possibility of their work being published in or outside Japan.

What We’re Looking For

Genre fiction (especially mystery, science fiction, adventure, and romance), picture books, YA, science for general audiences, educational and reference, personal growth.

What We’re Not Looking For

Poetry, essays, upmarket fiction and non-fiction.

How to Submit

Please download and fill out our submission form and e-mail it along with your manuscript or proposal (.doc or .pdf) to ensubmissions@d21.co.jp

Your manuscript does not need to be in English but a detailed synopsis in either English or Japanese is necessary for it to be considered.Paper submissions are not accepted at this time.

Selection Process

It will take anywhere between 1-6 weeks to review your proposal. Please note that we cannot respond to communications regarding the status of your submission. 

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