english: The 'Echo Trilogy' includes Echo of the Elephants (1993), Echo of the Elephants: The Next Generation (1996), and, the most recent, Echo of the Elephants: The Final Chapter (2005).
non_english: De ‘Echo-trilogie' bestaat uit Echo of the Elephants (1993), Echo of the Elephants: The Next Generation (1996), en, de meest recente, Echo of the Elephants: The Final Chapter (2005).