"The E-Myth Revisited" by Michael Gerber is the best book for someone who has just started a company or has been in business ...

While there are many "small business 101" courses online, few capture the nuances and complexity of running a small business ...

"The E-Myth Revisited" by Michael Gerber is the best book for someone who has just started a company or has been in business & is still doing everything in the business.