By leaps and bounds, my favorite Heinlein book. Manny and Proof lead the people of the moon, in a Revolution to free themselves from the tyranny of Terra (Earth). Along with help of Wyo and Mike, the smartest computer in the Universe, nothing can stop them. This book illustrates Heinlein’s Libertarian views as well as promoting the Universal truths implemented by the Founding Fathers of The United States. Well written and intriguing, and very thorough. Though the ending was not to my liking, it was not from it being ill-written.