"Still Free" is just an account of Crosby's career from his earliest work experiences, through ITT to his own quality consulting firm. The focus, however, is almost always on quality philosophy and implementation, rather than personal matters - they are touched on only to illustrate the professional aspects. Generally, it is a good account but I doubt that this is a reasonable form of explaining author's quality philosophy because it's intrinsically simple and intuitive; as far as can be seen from the book, it has not evolved much over years of its application by the author. This being the case, it is not worth explaining in this particular form.
The book would be more valuable if it were written before "Quality Is Free", not after. Maybe they should be read in this order; doing it the other way round does not seem to be very useful.
An advantage of this book over "QIF" is its language: much more clear and readable. All in all, it may be worth reading if you only want to get a general idea of Crosby's quality concept. If you need a program for actions, better read "QIF".