WThe Alexandria Quartet is a tetralogy of novels by British writer Lawrence Durrell, published between 1957 and 1960. A critical and commercial success, the first three books present three perspectives on a single set of events and characters in Alexandria, Egypt, before and during the Second World War. The fourth book is set six years later.
WThe Book of Bebb is a tetralogy of novels by the American author and theologian, Frederick Buechner. Published in 1971 by Atheneum, New York, Lion Country is the first in the Book of Bebb series. It was followed by Open Heart (1972), Love Feast (1974), and Treasure Hunt (1977). In 1972 Lion Country was named a finalist in the National Book Award for Fiction. The Book of Bebb is an edited single volume edition containing the four novels, and it was published by Atheneum, New York, in 1979.
WThe Book of the Long Sun (1993–1996) is a series of four science fantasy novels or one four-volume novel by the American author Gene Wolfe. It is set in the same universe as The Book of the New Sun series that Wolfe inaugurated in 1980, and the Internet Science Fiction Database catalogs them both as sub-series of the "Solar Cycle", along with other writings.
WThe Book of the New Sun (1980–1983) is a series of four science fantasy novels, a tetralogy or single four-volume novel written by the American author Gene Wolfe. It inaugurated the so-called "Solar Cycle" that Wolfe continued by setting other works in the same universe.
WThe Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini. Set in the fictional world of Alagaësia, the novels focus on the adventures of a teenage boy named Eragon and his dragon, Saphira, as they struggle to overthrow the evil king Galbatorix. The series was originally intended to be a trilogy until Paolini announced on October 30, 2007, while working on the third novel, that he believed the story was too complex to conclude in just three books.
WThe Sleeping Beauty Quartet is a series of four novels written by American author Anne Rice under the pseudonym of A. N. Roquelaure. The quartet comprises The Claiming of Sleeping Beauty, Beauty's Punishment, Beauty's Release, and Beauty's Kingdom, first published individually in 1983, 1984, 1985, and 2015, respectively, in the United States. They are erotic BDSM novels set in a medieval fantasy world, loosely based on the fairy tale of Sleeping Beauty. The novels describe explicit sexual adventures of the female protagonist Beauty and the male characters Alexi, Tristan and Laurent, featuring both maledom and femdom scenarios amid vivid imageries of bisexuality, homosexuality, ephebophilia and pony play.
WThe Troy Game is a quartet by Australian author Sara Douglass consisting of four books: Hades' Daughter, God's Concubine, Darkwitch Rising and Druid's Sword. It centres on a group of characters who are reincarnated at the end of each book and take the form of renowned historical figures from different ages. The entire series is set in London and focuses on the characters trying to complete the Troy Game, a kind of spell cast in the first book to protect the city.