Please visit https: //www.javaforaliens.com to find all the info. Java for Aliens is structured in such a way as to facilitate the learning of the Java language (Version 13), even for those who have never programmed. The structure, writing and contents have been chosen carefully, based on the experience the author have accumulated as a trainer and mentor over a twenty-year career. In particular, for Sun Microsystems, for Oracle, and as a freelancer, he had the opportunity to deliver about 250 courses, for thousands of learners, on Java technology, architecture, object-oriented analysis, design and UML. This book also covers complex topics that even the most experienced Java programmers might not master. These topics are marked with appropriate icons to warn the reader about the frequency of use, complexity and importance. This two-volume book represents an evolution of the most popular book on Java in Italy, which since 2006, has been recommended as a reference book in all the most important Italian universities. The "Java Manual", (published by Hoepli), boasts the highest number of reviews on Amazon Italy compared to all other programming books, even those of the most established international authors.