Let's explore world trends from the best-selling books at Maruzen Marunouchi, one of Japan's largest general Bookstore!
Maruzen Marunouchi Main Store is one of Japan's largest general Bookstore, boasting a stock of approximately 1 million Japanese books and 120,000 foreign books under the concept of a "Book Museum" in Marunouchi, the forefront of business. What are the best-selling books in Marunouchi, the heart of business? Every two weeks, we will deliver the top 15 business books and the top 10 literary books, and at the beginning of each month, the overall top 5 books for the previous month.

Counting Period: Thu, October 9th, 2025 to Wed, October 15th, 2025
*The previous ranking is a comparison with the period from September 25th Thu to October 1st Wed. (Items without a description are new releases.)

<Top 15 Business Management Topics>
1st Place:
The Easiest CX Management Textbook,
2nd Place
: "Company Quarterly Report" Industry Map 2026 Edition (previously: 2nd place),
3rd
Place: North Star Management that Guides Your Company, by
4th Place:
Sam Altman,
5th Place:
Not Enough Bosses: How to Develop Management Candidates
6th
Place: King of Hell, by
7th Place:
Complete Commentary on "New Lease Accounting Standards and Taxation," by
8th
Place: Tender Offer Practice by Situation, by
9th Place:
Nikkei Industry Map 2026 Edition (previously: 11th place),
10th Place:
The World's Most Enjoyable Way to Read Financial Statements (previously: 9th place),
11th place:
Human capital management that affects stock prices and recruitment, by
12th place:
The inconvenient truth of the AI bubble (previously ranked 5th), by
13th place:
The cutting edge of generative AI utilization (previously not ranked),
14th place
: After AI (previously ranked 3rd),
15th place:
Just KPIs, by

<Top 15 Business (Self-Improvement) Items>
1.
Scientifically Proven Encyclopedia of Amazing Habits (previously ranked 1st) by
2.
True Rest Your Brain Craves: The Night Brain (previously ranked 6th) by
3.
People Who Read Books Succeed (previously ranked 2nd) by
; 4.
HIDDEN POTENTIAL
; 5.
People Who Move Succeed (previously ranked 3rd) by
; 6.
All Techniques for Thinking with AI (previously ranked 9th) by
7.
Essential Business Skills for Consultants in Their First Three Years (previously ranked 11th) by
; 8. Words
that Illuminate the Future by
; 9.
McKinsey Leader's Classroom:
10.
EXPERT
11.
Do Things That Don't Pay Off:
12th place
: Everything is Dead Except Growth,
13th place:
Popular Lectures from America's Top Universities (Last time: Not ranked)
14th place
: The key points of the "100 Bestselling Books on Leadership" summarized in one book.
15th place:
Fatigue Studies (Last time: 12th)

<Economics/Finance Top 15>
1st Place:
Gemstones Don't Really Want to Sell: Argyle Pink Diamonds
2nd
Place: Why Don't the World's Newly Wealthy Buy the Orkan S&P 500? by
3rd Place
: The Fantasy of Money Worries
4th Place:
The Super Basics of Investing You're Too Afraid to Ask About Now, Visual Edition (Previously: 11th Place)
5th Place:
World Economic Map
6th Place:
Real Estate Classroom (Previously: 3rd Place)
/Daiwa Shobo
Place
: Lessons from an Investor's Father Who Turned 500,000 Yen into 5 Billion Yen (Previously: Not Ranked) by7th
8th
Place: Startup Investment Guidebook by
9th Place
: Investor's Financial Market Forecasting Handbook, 8th Edition (Previously: Not Ranked) by
10th
Place: Rich Dad, Poor Dad, Revised Edition Money Philosophy Taught by Rich Americans (Previously unranked)
; 11.
World History of Finance (Previously unranked)
12.
Collect Taxes from Finance Bureaucrats! (Previously unranked) by
; 13.
The Super Basics of Money You're Too Afraid to Ask About: Visual Edition (Previously unranked)
14.
The Blackstone Way: Expanded Edition (Previously unranked) by
15.
Introduction to Japanese Government Bonds (Previously unranked)

Top 10 Literary Books
1.
In the Megachurch (previously: 1st place) Ryo
2.
Advice for Problems: Even That Matters Alana
3.
Hitman's Sales Techniques
4.
Live Quietly and Think
5.
Epicurus' Prescription (previously: 2nd place)
6.
Box of Tears (previously: 4th place)
7.
A Hundred Years of Statute of Limitations (previously: 8th place)
8.
The Library Witch: The Tower of Striking Thunder
9.
All the Stars Are
10.
Takamiya Maya's Handover Book (previously: not ranked)

Counting Period: September 1st Mon to September 30th Tue 2025

1st place: Scientifically Proven Amazing Habits Encyclopedia by 2nd place: In the Megachurch 3rd place: "Company Quarterly Report" Industry Map 2026 Edition 4th place : How to Travel the World: The Habsburg Empire, 5th place: Hope in the Valley of the Wind by