tetralogy
- n a series of four related works (plays or operas or novels)
- A teen girl's heart must beat inside a lot of moviegoers, because Twilight, the first film from Stephenie Meyer's tetralogy, earned $384 million 10 times its budget in .
- The serial publication of Yukio Mishima's last works, a tetralogy called The Sea of Fertility, has the eerie effect of making him seem the fastest and most prolific dead writer .
- His tetralogy on the Revolutionary War at sea has sold over 1,000,000 copies in all editions.