DAYMOND JOHN

A celebration of Black business success and opportunity is back for its third year.

Billionaires Buffett and Zuckerberg are just a few of the successful business leaders who have gleaned important lessons and career advice from books they've read throughout the years. Here are a few examples of the books on business that have influenced some of the business world's biggest success stories.

On ABC's "Shark Tank," Mark Cuban, Daymond John and Lori Greiner all said they could help grow Browndages, a Cleveland-based inclusive bandage company. Here's how.

'Shark Tank' investor Daymond John says the best mentors are ones who can show you both their successes and their failures. Here's his advice on finding them.

“This isn’t even a real picture. I just photoshopped myself in,” Savannah joked.

The lawyer whom Britney Spears has chosen to represent her is a former federal prosecutor turned high-profile Hollywood lawyer. His celebrity clients have included Steven Spielberg and Sean Penn.

An American brand is bornThe Timberland brand was birthed from a small, New England-based shoemaker, The Abington Shoe company. The company called it the Timberland boot. According to Walker and John, Timberland boots were first adopted by drug dealers in New York City. The global popularity of Timberland's Original Yellow Boot "is largely because the Black community adopted [it] and helped establish Timberland as a fashion staple," says the Timberland brand. A lasting legacyThere were positive ripples outside of the Timberland company too.

Some of the most noticeable names on Wall Street will have a role in Black Entrepreneurs Day online event this Saturday. "It shows that people want to make a difference," John, the founder and CEO of hip-hop apparel company FUBU, told CNBC's Jim Cramer in a "Mad Money" interview Tuesday. People who felt marginalized or felt discounted, and they felt that they needed to step up," John said. Black business owners have historically faced financial barriers to growing their businesses, including lacking banking relationships to gain access to capital. Black Entrepreneurs Day, which will be carried on Facebook, LiveXLive and other online social platforms like YouTube and Twitter, will also award nine $225,000 grants to business owners as part of the "NAACP Powershift Entrepreneur Grant."

If you are looking to embark on some self-improvement while stuck at home during the coronavirus outbreak, consider taking some free online college courses. In fact, 450 Ivy League schools are among those offering the option, according to Class Central, an online education clearinghouse. It also depends on your interests, but Shah said there is a "big diversity" of courses available through online learning sites Coursera and edX totaling about 13,000 courses from more than 900 universities. If you are new to online learning, Shah suggests first taking Learning How to Learn from the University of California, San Diego. Here are a few other examples of the courses available:You check out all the free online courses available at Class Central.