I remember reading that book many years ago. Alas, I can't remember anything about it now, other than it was part of the Incarnations of Immortality series.

They have special meaning to me since Keith Emerson, keyboards player in my favourite 1970s rock band, Emerson, Lake and Palmer, wrote a piece in three parts called The Three Fates - the parts being called, of course, Clotho, Lachesis and Atropos. It appeared on their first album.