Really Basic Guides
These "Kindle Short" books (30-45 minute reads) cover topics such as accounting, valuations, startup finance, digital marketing and e-commerce. Over the years I've taught employees, mentees and friends about these topics, always surprised that no material existed providing a simple overview for basic knowledge – so I just wrote it.
They are ideal for non-business professionals, college graduates entering the startup world, or anyone that just needs a really basic introduction to these topics.
They are available at Amazon on Kindle (or the free Kindle app) for less than $1 each.