<P> A tetralogy (from Greek τετρα - tetra -, "four" and - λογία - logia, "discourse") is a compound work that is made up of four distinct works . The name comes from the Attic theater, in which a tetralogy was a group of three tragedies followed by a satyr play, all by one author, to be played in one sitting at the Dionysia as part of a competition . </P> <Ul> <Li> "Tintitives" by Antiphon of Rhamnus - The author was an orator who taught his students with', each one consisting of four speeches: the prosecutor's opening speech, the first speech for the defense, the prosecutor's reply, and the defendant's conclusion . Three of his tetralogies are known to have survived . </Li> <Li> "Der Ring des Nibelungen" by Richard Wagner </Li> <Li> "Inheritance Cycle" by Christopher Paolini </Li> <Li> The Buru Quartet by Pramoedya Ananta Toer </Li> <Li> "Magic Zero" (previously titled "Outcast") by Christopher Golden and Thomas Sniegoski </Li> <Li> "Menagerie" by Christopher Golden and Thomas Sniegoski </Li> <Li> "The Sea of Fertility" (豊饒 の 海 Hōjō no Umi) by Yukio Mishima </Li> <Li> "The Once and Future King By T.H. White </Li> <Li> The Ware Tetralogy by Rudy Rucker </Li> <Li> The Book of the New Sun by Gene Wolfe </Li> <Li> The History of the Runestaff by Michael Moorcock </Li> <Li> The Uncharted series </Li> </Ul> <Li> "Tintitives" by Antiphon of Rhamnus - The author was an orator who taught his students with', each one consisting of four speeches: the prosecutor's opening speech, the first speech for the defense, the prosecutor's reply, and the defendant's conclusion . Three of his tetralogies are known to have survived . </Li> <Li> "Der Ring des Nibelungen" by Richard Wagner </Li>

What do you call a five part series