I was looking for assistance to help me in the fields of visualization, and this little book of 190 pages helped me. It is very comprehensive, the author gives only techniques she has tried and tested, and therefore operate. It has everything, theory and lots of practice. Besides, I do not know if it's due to my personal experience in this area, but I did a year given on pages 140 to clean the tensions and negative energies, it worked completely in less than one week: - | Moreover, it does not really require prerequisites or special beliefs, everyone accepting the power of visualization can see his life improved significantly and quickly :)