"I'm constantly reading tech manuals. This book is above and beyond ANY tech manual I have ever read! It is readable, understandable and a fine companion for the Pi." "I have been using computer manuals for 40 years and this is one of the best I have ever read." "All I was looking for is combined in this fantastic book." "I bought this book on my Kindle and it has transformed my understanding of the Pi." "A brilliant book to help you out with your Pi." "This book is a must have and works very well on my Kindle - thank you so much for writing it."