Content Licensing is excellent for learning the basics of what is needed for the digital resource market. While it delves into the areas necessary to the process, most processes are touched on lightly. This book isn't an in-depth how-to for any of the many steps needed to produce, license, and deliver electronic products. Instead it is an introduction for the reader to discover what is involved. Michael Upshall has written an easy book for you to find out what you don't know.
