Books
Harry Potter and the Philosopher's Stone climbs 7 to 3 on the Open Library Trending Books board dated 2026-09-18T06:01:36.869406, passing The 48 Laws of Power. Atomic Habits still holds 1 and Rich Dad, Poor Dad holds 2. New versus September 17: How to Win Friends and Influence People at 7 and Esquire's The New Rules for Men at 9. Dropped: Pride and Prejudice, Wuthering Heights.
Top trending books on Open Library: September 18
Atomic Habits: James Clear: Habit-formation title. Holds 1 on this Open Library trending books API snapshot. Display title uses a colon in place of the API's dash-like separator.
Rich Dad, Poor Dad: Robert T. Kiyosaki, Sharon L. Lechter: Personal-finance title. Holds 2.
Harry Potter and the Philosopher's Stone: J. K. Rowling: First Harry Potter novel. Climbs 7 to 3.
The 48 Laws of Power: Robert Greene: Strategy title. Eases 3 to 4.
The Psychology of Money: Morgan Housel: Personal-finance essays. Holds 5.
The 7 Habits of Highly Effective People: Stephen R. Covey: Productivity title. Holds 6.
How to Win Friends and Influence People: Dale Carnegie: Classic interpersonal title. New at 7, replacing Pride and Prejudice.
A Nation of Idiots: Daksh Tyagi: Satire title. Climbs 10 to 8.
Esquire's The New Rules for Men: Esquire: Magazine-branded advice title. New at 9.
Think and Grow Rich: Napoleon Hill: Classic money title. Eases 9 to 10.
Self-help and money titles occupy 1, 2, 4, 5, 6, 7, and 10. Fiction occupies 3 (Rowling) and 8 (Tyagi). That is 7 nonfiction rows versus 2 fiction rows, versus September 17 when Austen and Bronte filled 6 and 8. The snapshot timestamp 2026-09-18T06:01:36.869406 (microseconds 869406) is new versus 2026-09-17T08:01:33.444040.
The live ranked board beyond this top 10 is available via the Trends MCP API. Get your free API key
What changed on Open Library since yesterday
- New: How to Win Friends and Influence People (7), Esquire's The New Rules for Men (9).
- Movers: Harry Potter 7 to 3 (plus 4); 48 Laws 3 to 4; A Nation of Idiots 10 to 8; Think and Grow Rich 9 to 10.
- Unchanged rank: Atomic Habits (1), Rich Dad Poor Dad (2), Psychology of Money (5), 7 Habits (6).
- Dropped: Pride and Prejudice (6), Wuthering Heights (8).
What today's Open Library books reveal
The Open Library trending books API public 10 squeezed out two 19th-century novels and added two more advice titles. Harry Potter jumping 4 ranks is the only fiction surge.
Atomic Habits at 1 across September 16, 17, and 18 is the fixture. Esquire at 9 is a magazine brand, not a backlist novel.
Track these trends in real time with Trends MCP
This ranked list came from the Trends MCP get_top_trends tool. The same API is built for analysts, editors, and developers who need a dated board instead of a screenshot. The matching data source page is Open Library trending books API.
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