Better still, he has made the book available as a free PDF download through Creative Commons. Brian explains upfront his inspiration for writing the book, which appears to be many years in the making.

As readers of this blog know, two of my interests are photography ... is a large part of why open-source software has become so commonplace. By contrast, Creative Commons licensing offers up ...

Creative Commons is a public charity dedicated to reducing barriers to the free exchange of knowledge and culture by making it easy and efficient to obtain legal permission to reuse creative, ...