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Lem's Invincible, Solaris and Eden form a trilogy of "what if we meet a civilization so alien to humans that we can't establish a contact with them"

Also „Fiasco“, which is depressing and great.

For a more recent take on a similar theme, see also „Blindsight“ by Peter Watts.

Here is Blindsight, free to read online from the author (and with PDF/ePub versions):