The Odyssey of Homer by Samuel Butler (Knowledge Management Edition)

If you are contemplating buying The Odyssey, sure that you know what the book is about. Thus, why buying a Knowledge Management Edition instead of a normal one? There are several reasons, among them saving time -you do not have much time to read, or you have to read it aloud to youngsters or elders-, catching up quickly with its contents -for a second reading, for catching up with classic literature, before watching the film-, of having two versions in one -for english students with different levels of proficiency; etc.