> I liked James Gunn's "The Listeners" quite a bit; I thought Sagan's
> was essentially lifted from it, with a few bolder ideas thrown in. Neither
> novel impressed me that much;
I think the definitive SETI novel--preceding both of the abovementioned books--is Stanisław Lem's _His Master's Voice_ (_Głos Pana_, 1968). See also <URL:http://home.pages.de/~naddy/reviews/GlosPana.html>.
-- Christian "naddy" Weisgerber email@example.com