This book deals with good, evil, happiness and morally enhanced post-humans. It offers a succinct historical elaboration of philosophical stances towards morality and happiness, focusing on Kant's ideas in particular. Human augmented ethical maturity in a futuristic version of Kant's Ethical Commonwealth implies, among else, the following features: 1. Voluntary Moral Bio-Enhancement (VMBE); 2. Consequently, more happiness - as morality and happiness are in a circularly supportive relationship; 3. Ultimate Morality (UM). In feature 2, deontological practice would result in a utilitarian outcome. By fulfilling our moral duties based on UM, we would gradually create a world of post-humans who approach moral and thus felicific perfection. UM is in its own way a universal morality. In line with the contention that Kant's vision of the (not immediate but more distant) future of humanity is one of a cosmopolitan moral order in which humans act virtuously in the broadest possible community, that is, humanity, it is justified to conclude that successful VMBE is conducive to Kant's vision. Therefore, this book is of great interest to a broad audience, such as those interested in VMBE and novel conceptions of morality, and those with an interest in the historical development of morality and happiness, in philosophy (specifically, ethics) and in post-humanity. .