# Harry Potter and the Deathly Hallows book release

> The final Harry Potter novel sold an estimated 8.3 million US copies in its first day.

- Owner: J.K. Rowling / Bloomsbury / Scholastic
- Kind: Book
- Sector: Entertainment
- Seed date: 2007-07-17
- Milestone date: 2007-07-22
- Date basis: Documented milestone; not a measured attention peak.
- Spread Score: 48 (Notable, provisional), v1.3
- Mechanics: Mystery & lore, Fandom mobilisation, Scarcity drop, Platform jump, Controversy

## Summary

Paid advertising and fan speculation preceded leaked pages and early deliveries. Fans posted a YouTube song and policed spoilers. Midnight queues accompanied the official launch; Scholastic estimated 8.3 million US sales in its first day.

## Timeline

- 2007-02-01 — Amazon (Retail) — Amazon opened pre-orders for the novel and announced its July publication date.
- 2007-03-14 — Scholastic (Press) — Scholastic announced a multimillion-dollar campaign with national online, print and billboard advertising.
- 2007-05-08 — Amazon (Retail) — Amazon reported more than a million worldwide pre-orders for the book.

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/harry-potter-deathly-hallows-release

Cite as: How It Spread (2026). “Harry Potter and the Deathly Hallows book release.” Case HIS-01442. Spread Score v1.3: 48/100. Updated 2026-10-23. https://howitspread.com/id/HIS-01442