The book "Preventing Global Disaster" was first presented as a letter to the president of the United States in 2017 under a different title. The author's increasing work globally has prompted him to give the same message worldwide. The message is one of hope with guidelines for humankind to prevent disaster. Extinction can be avoided given the Models of Excellence provided in this book. Let's give our children a reason to live a long future of global community and worldwide cooperation. We can do it if we try. This book has the message of hope.