Books
Atomic Habits: James Clear is rank 1 on the Open Library board dated 2026-09-15T08:01:40.464169, swapping with The 48 Laws of Power: Robert Greene, which falls 1 to 2. API titles use an em dash between title and author; display here uses a colon. New versus September 14: The Lightning Thief, Esquire's The New Rules for Men, and The Hunger Games. Dropped: Thinking, Fast and Slow; The Laws of Human Nature; Trotzdem Ja zum Leben sagen.
Top trending books on Open Library: September 15
Atomic Habits: James Clear: Habit-formation bestseller. Climbs 2 to 1.
The 48 Laws of Power: Robert Greene: Strategy title. Falls 1 to 2. Greene no longer has a second book in the top 10 after Laws of Human Nature dropped.
Rich Dad, Poor Dad: Robert T. Kiyosaki, Sharon L. Lechter: Personal-finance staple. Holds 3.
Harry Potter and the Philosopher's Stone: J. K. Rowling: First Potter novel. Climbs 6 to 4.
The Lightning Thief: Rick Riordan: Percy Jackson book one. New at 5. No widely reported 2026 adaptation news trigger identified for September 15 beyond catalog demand.
The Psychology of Money: Morgan Housel: Finance essays. Falls 4 to 6.
A Nation of Idiots: Daksh Tyagi: Falls 5 to 7.
O Alquimista: Paulo Coelho: Portuguese listing of The Alchemist. Climbs 10 to 8.
Esquire's The New Rules for Men: Esquire: Magazine-branded manners title. New at 9. No widely reported reprint trigger identified for September 15.
The Hunger Games: Suzanne Collins: First Hunger Games novel. New at 10. No separate September 15 franchise announcement identified.
The live ranked board beyond today's top 10 is available via the Trends MCP API. Get your free API key
What changed on Open Library since yesterday
- New: The Lightning Thief (5), Esquire's The New Rules for Men (9), The Hunger Games (10).
- Movers: Atomic Habits 2 to 1; 48 Laws of Power 1 to 2; Harry Potter 6 to 4; Psychology of Money 4 to 6; A Nation of Idiots 5 to 7; O Alquimista 10 to 8.
- Dropped: Thinking, Fast and Slow (7), The Laws of Human Nature (8), Trotzdem Ja zum Leben sagen (9).
- Unchanged rank: Rich Dad, Poor Dad at 3.
What today's Open Library books reveal
Self-help and YA swapped places with yesterday's second Greene title and Frankl. Clear over Greene is a one-rank swap, not a new canon. Potter, Percy Jackson, and Hunger Games put three YA/children's series in the top 10.
Finance still has three rows (Rich Dad, Psychology of Money, plus Greene's power frame). The Open Library trending books API as_of is 2026-09-15T08:01:40.464169.
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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"type": "Open Library Trending Books",
"limit": 10
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