Alien Invasion: Can We Defend Earth?

Why did Professor Hawking start to warn the threat of aliens? 
Who is giving spiritual guidance to Professor Hawking? 
How can we tell the difference between good aliens and bad aliens? 

This book reveals alien’s plan to invade the Earth and how to counter them. 

Chapter One: Why Professor Hawking Warns of Alien Threat
Chapter Two: The Supreme Commander of Andromeda Speaks on Earth Defense Strategy

“I dare say fear shall not rule the Earth. We must never forget that ‘hope’ and ‘courage’ are working in tandem to protect our planet.” 
----Excerpt from Afterword