This is a good book, although not updated with the latest. Also it is a personal thing what is the best of... Anyway the solo's have been transcribed very accurately and both me and my 13 years old twins are enjoying playing the music.
I am satisfied with the delivery of the book. It only took two days. The book gives a good introductary overview of the "Viabel Systems Model". It is a good start also to get to know the work of Stafford Beer.