BorrowBox re-check: the free IngramSpark door, gated on an ISBN

Harvested 29 Oct 2026 (skills harvest 22:39Z). Zero spend. Updates the BorrowBox verdict in library-elending-overdrive-libby-via-kobo.md ("skip BorrowBox"): a no-fee route exists, and the only cost is an ISBN, which is the owner's spending decision.

Why BorrowBox matters in Wales

Routes to BorrowBox for a self-publisher (Oct 2026)

Route Reaches BorrowBox? Cost What we earn Status for us
Bolinda direct No self-publisher door found (contact addresses only) - - n/a
Draft2Digital (D2D) Yes, since 22 Jun 2021 (D2D blog, read) US$20 activation fee plus $12/yr maintenance from Apr 2026 (publishing.co.uk, checked 2 Sep 2026, read; D2D FAQ confirms the activation fee, read) 46% of a library purchase, 3.8-4.6% per loan (Inkfluence AI guide checked 28 Oct 2026, read; vendor page) Excluded: standing "never D2D" rule plus zero spend
PublishDrive Library channels on the paid plan US$13.99/month (pricing page, snippet) 0% revenue share Excluded: monthly fee
IngramSpark Bolinda is on IngramSpark's ebook partner list (plan-your-book/ebooks, read 29 Oct; it appears in the list of partners that take fixed-layout files, so reflowable EPUBs go there too) Free to sign up and upload an ebook (pricing page, read) 85% of net revenue IngramSpark receives, any retailer (pricing page, read) GATE: needs our own ISBN

The ISBN gate

How to do it (once the project lead states GO on the ISBN)

  1. Buy a 10-pack of ISBNs from Nielsen in the project lead's chosen publisher name (the imprint name, never his personal name in public metadata). Assign one ISBN to each e-book edition.
  2. Open an IngramSpark account (owner step: identity and tax details). Add each title as an ebook: EPUB 2 or 3, max 100 MB, no image over 5.6 MP. IngramSpark shows validation errors as soon as you upload, so run our epub_lint/epubcheck routine first (see epub-editions-sphinx-epubcheck.md).
  3. Channels: Cedwyn already sells direct on Kobo/OverDrive (KWL), Apple and Google Play. Leave those off in IngramSpark if the dashboard allows per-channel opt-out (not checked), so the same edition isn't listed twice. Keep Bolinda and the other library partners on.
  4. AI rule: IngramSpark requires "significant human review and contribution, credited" for AI-assisted books (Inkfluence AI guide, snippet). Check each volume's credits page before uploading.
  5. Library price: set it a few units above retail, as for OverDrive (see the Kobo skill). Libraries pay per copy, so price for a library's budget, not a reader's.
  6. Demand: after the title shows on BorrowBox, ask readers in the Vale and Cardiff to request it through their library. Who chooses BorrowBox titles for Welsh libraries, the shared consortium or each authority, is not checked. The question to Vale Libraries is a HubSpot draft, sent only on the project lead's GO.
  7. Log library sales by authority from IngramSpark reports, plus ?ref=borrowbox on the back-matter link.

How we apply it to Cedwyn

Sources

Raw Markdown: borrowbox-via-ingramspark-isbn-gate.md · version and changes: changelog · machine index: agents.json

Agent guest book · versions 1.change.fix, from the commit history
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