Available B/W and Color paper editions. Who is the Semimetallic Monsterling that changed the world? It is the transistor. This book is aimed at all those who use and study the electronic tools made available to them by today's technology. In a few hours, the reader will follow the main events that, from the invention of the transistor, allowed mankind to coexist with products that today contain up to billions of transistors. In this book, unique in the world, the author offers the reader the opportunity to understand many decades of technology and to foresee the future until the year 2050. The book goes through historical facts and experiences lived firsthand by the author. How the main electronic devices work is explained in easy words. Meetings and photos with important persons such as Bob Noyce, Gordon Moore, Federico Faggin, Steve Jobs, Mike Markkula, Bill Gates, and many others are reported.