Like a self-help book for the newly-athiest who, after a lifetime of omnipotent, omnipresent, deity, feel weak and alone. Life without God isn't easy. This makes it easier.
Friedrich Nietzsche was a German doctor and philosopher that was born in the mid-19th century. His book, Beyond Good and Evil was one of the last books he wrote, during the period of 1886 to 1888 - a two year period when he authored a total of seven books. Beyond Good and Evil became one of the best-known in that group and is commonly viewed as a book written by a philosopher for philosophers.