# The Midnight Library

> Matt Haig’s novel reached 15 million reported sales after TV book clubs and BookTok.

- Owner: Matt Haig; Canongate Books (UK), Viking (US)
- Kind: Book
- Sector: Media & publishing
- Seed date: 2020-08-13
- Observed peak date: Week of Jan 8, 2023
- Date basis: Observed peak within the documented measurement window; not an all-time maximum. Dates use the stated precision; chart positions are date anchors.
- Spread Score: 22 (Niche), v1.2
- Mechanics: Platform jump, Press loop, Visible in use

## Summary

Canongate launched the novel with paid advertising, and TV book clubs selected it. TikTok readers shared recommendations and annotated copies. Adaptation publicity later reported 15 million book sales.

## Timeline

- 2020-07-27 — Matt Haig (Open web) — Haig announced the August release and an extra chapter exclusive to Waterstones.
- 2020-08-13 — Matt Haig / Canongate Books (Retail) — Canongate published the novel in Britain, with an ebook and a Carey Mulligan audiobook.
- 2020-09-29 — Good Morning America (Open web) — GMA announced its October book-club pick as Viking released the US edition.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/the-midnight-library

Cite as: How It Spread (2026). “The Midnight Library.” Case HIS-01400. Spread Score v1.2: 22/100. Updated 2026-10-22. https://howitspread.com/id/HIS-01400