This book is a Revised and Extended version of the article that I wrote and published in 1996, 22 years ago now, which for some time I have felt the need to update.
Some of the original images from my old e.
I have of course also changed some of my own pictures which were the result of a surprising and naive confidence in myself.
Some parts of the text have been modified, others removed and others extended, all as a result of the maturity that I have gained after all these years of experience.
This book is a Revised and Extended version of the article that I wrote and published in 1996, 22 years ago now, which for some time I have felt the need to update