In your opinion, what are the MUST read books for business and leadership?

• Strategy of business
• Strategic management
• The art of directing
• Management of strategic business
• The strategic marketing
• Planning
• The organization
• The innovation
• Management styles
• The personality
• The authority
• Communication
• The argumentation
• Time management

1. Giants of Enterprise: Seven Business Innovators and the Empires They Built. -  By Richard Tedlow

2.  The Innovator’s Dilemma: When New Technologies Cause Great Firms to Fail. By Clayton M. Christensen

3. The Seven Habits of highly effective people By Stephen R. Covey

4.  True North: Discover Your Authentic Leadership. By Bill George

5. Strengths Finder By Tom Rath

6. Thinking, Fast and slow.

Thank you for asking. I agree with answer NADJIB RABHAHI.

Thanks for your invitation, Agree on Mr. Nadjeep answer.

Thanks for invitation,

I do prefer "Dr. Peter F Drucker" series of books' in English Language  & "Dr. Sayed El Hawary", series of books' in Arabic language. 

Thank you for invitation:To Business Books:A few weeks ago, I rounded up my 2015 reading with a list of the best books of the year. But 2016 is shaping up to be as good a year for business books as 2015 was, if not better. I’ve been reading a lot of books that will release early this year, and here are my most anticipated, in no particular order:

How to Have a Good Day by Caroline Webb. A former McKinsey consultant offers evidence-based ways to balance work and life.

Superbosses by Sydney Finkelstein. A Tuck university professors reveals his findings from more than 200 interviews to outline how to be a great boss.

Best Job Ever! By C.K. Bray. A PhD and career coach gives action-based plan for building the career of your dreams.

Originals by Adam Grant. A Wharton prodigy returns to explain how to challenge the status quo without risking it all.

The Happiness Track by Emma Seppala. An expert on health psychology argues that happiness is the key to fast tracking our professional and personal success.TED Talks by Chris Anderson. The leader of the TED movement offers a guide to creating talks that are unforgettable.

Grit by Angela Duckworth. I’ve been waiting for this book since I first read Duckworth’s amazing research on what it takes to succeed.

Small Data by Martin Lindstrom. In an era of big data, a marketing thought leader reminds us that sometimes small clues yield big breakthroughs.

The Confidence Game by Maria Konnikova. One of the best science writers of our time examines the minds, motives, and methods of con artists—and the people who fall for their cons.

Deep Work by Cal Newport. An uber-productive professor reveals how to focus without distraction on a cognitively demanding task.

Wired to Create by Scott Barry Kaufman and Caroline Gregoire. A Penn professor and HuffPo writer team up to make sense of the mysterious creative mind.

Sprint by Jake Knapp, Josh Zeratsky, and Braden Knowitz. Three Google Ventures partners outline a process for solving tough problems, proven at more than a hundred companies.

Platform Revolution by Sangeet Paul Choudary, Marshall W. Van Alstyne, and Geoffrey Parker. Two professors and an entrepreneur-in-residence offer a practical guide to the new business model that is transforming the way we work and live.

The Inevitable by Kevin Kelly. One of the leading technology thinkers and offers a guide through the imperatives that will shape the next thirty years of technology.

David Burkus is the author of Under New Management. He is host of the Radio Free Leader podcast and Associate Professor of Management at Oral Roberts University. To get more resources to help you lead smarter, join his free newsletter.

Top Ten Leadership Books:

Subtitle: How to Find Your Breakthrough Idea and Build a Following Around It

Author: Dorie Clark

Subtitle: The New Science of High-Performing Organizations

Authors: Rich Karlgaard and Michael S. Malone

Subtitle: New Rules of Engagement for a Complex World

Authors: General Stanley McChrystal, Tantum Collins, David Silverman, and Chris Fussell

Subtitle: 5 Actions to Create Your Cycle of Success

Author: Larry Weidel

Subtitle: The 7 C's to Build a Winning Team in Business, Sports, and Life

Authors: Jon Gordon and Mike Smith

Subtitle: Break the System, Live With Purpose, Be More Successful

Author: Dale Partridge 

Subtitle: Success Rules for Generation Y

Authors: Richie Etwaru and Dhar Ramdehal

Subtitle: Rescue Monday, Reinvent Your Work, and Never Get Stuck

Author: Jon Acuff

Subtitle: Insights From Inside Google That Will Transform How You Live and Lead

Author: Laszlo Bock

Subtitle: From Speeches to Job Interviews to Deal-Closing Pitches, How to Guarantee a Standing Ovation for All the Performances in Your Life

Author: Michael Port

In my opinion some of the fundamental books for leadership and business management are;

• The Practice of Management / The Effective Executive - Peter F. Drucker The late Peter F. Drucker is the most influential management thinker of the 20th Century
• The art of war - Sun Tzu
• straight from the gut-  Jack welch

there are many books, however it would be great if focus on one particular field and search for books written by the pioneers of those fields.