MacKenzie Scott Released Novel on Substack

The 317-page book was published in serialized installments throughout August 2026.

Updated on Oct. 3, 2026 in Books

An open hardcover book and loose manuscript pages on a dark wooden surface in soft morning light. — MacKenzie Scott finished releasing her latest 80,000-word novel, Last Days in Two Nations, as a serialized PDF series on Substack in August. AI Illustration. Upload story photo >

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MacKenzie Scott concluded the release of her novel, Last Days in Two Nations (A History in Eighteen Minds), on August 31, 2026. The 80,000-word work was distributed for free to subscribers as a series of downloadable PDFs on Substack.

Why it matters

The release marks a departure from traditional publishing for Scott, who previously authored the novels The Testing of Luther Albright and Traps. While known for her significant philanthropic efforts, her transition to a serialized digital format highlights a new mode of engagement for her readers.

The novel features a total of 18 characters within its 80,000-word scope. It was made available as a series of free, downloadable PDF installments on the Substack platform.

The players

MacKenzie Scott

MacKenzie Scott is an author and philanthropist who holds a 4% ownership stake in Amazon.

The details

The book, titled Last Days in Two Nations (A History in Eighteen Minds), was released in installments over the course of August 2026. Critics have described the completed narrative as confusing following its full release to the public.

Scott published The Testing of Luther Albright in 2005.
Scott published the novel Traps in 2013.
The release of the new novel began on Substack on August 8, 2026.
The final installment of the novel was released on August 31, 2026.

Industry Dynamics

Scott's release follows the broader trend of independent creators utilizing the Substack direct-to-reader publishing model to distribute content. This shift challenges traditional publishing norms by allowing authors to bypass established gatekeepers and release works in serialized, digital formats.

Readers can access the full novel for free by subscribing to Scott's Substack account to download the PDF files. The serialized format allows audiences to consume the 80,000-word text in smaller, digestable portions rather than waiting for a single print release.

The takeaway

Authors are increasingly using digital platforms to experiment with narrative structures and distribution methods outside of standard book contracts. Readers interested in non-traditional formats can find similar serialized literature by following independent authors directly on digital newsletter platforms.