Self-Publishing Services with ISBN Registration
You've written the book. Now what?
Getting from finished manuscript to published book is where most authors get stuck. The formatting, the cover, the ISBN, the distribution... it's a maze of technical details that has nothing to do with writing. That's where we come in.
Porthos Media helps independent authors and self-publishers navigate the entire publishing process, from manuscript to marketplace. We handle the technical side so your book looks professional, is properly registered, and is available for sale worldwide.
What We Offer
ISBN Registration — An ISBN is your book's unique identifier and it's required for distribution through bookstores and libraries. We handle the registration process through the official Canadian ISBN agency so your book is properly catalogued and recognized internationally. Your ISBN, your ownership — no third-party strings attached.
Book Formatting & Layout — We format your manuscript for both print and digital. Clean interior layout, proper chapter breaks, table of contents, headers, footers, page numbering, and font styling — all formatted to meet publisher and distributor specifications.
E-Book Conversion — Your book formatted for Kindle, Kobo, Apple Books, and other e-reader platforms. Reflowable or fixed-layout, depending on your content.
Cover Design Coordination — Your cover is the single most important marketing asset your book has. We coordinate the cover design process — working with designers to ensure your cover meets print specifications, looks great as a thumbnail, and matches your genre expectations.
Print-on-Demand Setup — No need to order thousands of copies upfront. We set up your book with print-on-demand services like Amazon KDP, IngramSpark, or Lulu so copies are printed and shipped only when ordered.
Distribution Setup — We get your book listed on Amazon, Chapters/Indigo, Barnes & Noble, Kobo, Apple Books, Google Play Books, and more. We'll walk you through the distribution options so you choose what makes sense for your goals.
Metadata & Book Description — Your book's title, subtitle, description, categories, and keywords all affect discoverability. We optimize your metadata so readers can actually find your book when they search.
Audiobook Path — Already thinking about an audiobook edition? We produce audiobooks in-house. We can plan both editions simultaneously so your launch is coordinated.
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Our Process
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Initial consultation — We review your manuscript, discuss your goals, and outline the full publishing plan.
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Formatting & preparation — We format your interior, coordinate your cover, and prepare all files to spec.
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ISBN & registration — We register your ISBN and set up your book's official metadata.
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Distribution setup — We configure your accounts and listings on your chosen platforms.
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Launch support — Your book goes live. We walk you through how to manage your listings, track sales, and order author copies.
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Who This is For
First-time authors who don't want to figure out the publishing maze alone. Experienced self-publishers who want a faster, cleaner process. Business owners publishing a book to build authority. Anyone with a finished manuscript who wants it done right, with a real ISBN and professional distribution.
Ready to Publish? Let's turn your manuscript into a real, published book.