> Client is looking for a book with these details:
> Humans are out in the universe.
> They have met a race of intelligent caterpillar type aliens (friendly).
> They (humans) also have a servant class that are clones who only live 40 years.
> There might have been more than one book.
> Somewhere around the 80s?
> Any clues?
Don't know about the caterpillars, but the humans sound like C. J.
Cherryh's azi. Perhaps Serpent's Reach?
Schenectady County (NY) Public Library