Question: The Pillars of Creation is the seventh installment of a fantasy series featuring how many novels?

full_context: Document 1: The Elminster Series: The Elminster Series is a series of fantasy novels by author Ed Greenwood. The novels are set in the "Forgotten Realms" setting created by Greenwood for the "Dungeons & Dragons" fantasy role-playing game. The series focuses on the titular character Elminster who was a key figure in several of Greenwood's other novels set in the Forgotten Realms setting. Elminster was known as a powerful wizard or mage known as "The One Who Walks" and eventually "The Sage of Shadowdale." This series seeks to present the backstory of Elminster's life as well as provide a history of other important events in this particular fantasy setting.
Document 2: Path to Truth: Path to Truth is the first book of the Jedi Quest series, set in the "Star Wars" universe. It is written by Jude Watson and takes place between the events of "" and "". It precedes "The Way of the Apprentice", which is the official first book in the series, as it is the first to be sequentially numbered.
Document 3: Throne of Glass: Throne of Glass is a young adult high fantasy novel series by American author Sarah J. Maas, beginning with the inaugural entry of the same name. The story follows the journey of Celaena Sardothien, a teenage assassin in a corrupted kingdom with a tyrannical ruler. As the tale progresses, Celaena forms unexpected bonds and uncovers a conspiracy amidst her adventures.
Document 4: The Pillars of Creation: The Pillars of Creation is the seventh book in Terry Goodkind's epic fantasy series "The Sword of Truth." It is the first book in the series not to feature Richard Rahl as the protagonist, although he does appear.
Document 5: The Kingkiller Chronicle: The Kingkiller Chronicle is a fantasy series by Patrick Rothfuss, telling the autobiography of Kvothe, an adventurer and famous musician. The first two books, "The Name of the Wind" and "The Wise Man's Fear", were released in 2007 and 2011, respectively. A third is planned to fill out a trilogy, but a release date has not been announced.
Document 6: The Two Swords: The Two Swords is a fantasy novel by American writer R. A. Salvatore, the third and final book in his series "The Hunter's Blades Trilogy". "The Two Swords" was his 17th work concerning one of the most famous characters Salvatore has created, the drow, or dark elf, Drizzt Do'Urden. It follows "The Thousand Orcs" and "The Lone Drow".
Document 7: The Sword of Truth: The Sword of Truth is a series of nineteen epic fantasy novels written by Terry Goodkind. The books follow the protagonists Richard Rahl, Kahlan Amnell and Zeddicus Zu'l Zorander on their quest to defeat oppressors who seek to control the world and those who wish to unleash evil upon the world of the living. While each novel was written to stand alone, except for the final three that were intended to be a trilogy, they follow a common timeline and are linked by ongoing events that occur throughout the series.
Document 8: Drizzt Do'Urden: Drizzt Do'Urden is a fictional character in the Forgotten Realms campaign setting for the "Dungeons & Dragons" fantasy role-playing game. Drizzt was created by author R. A. Salvatore as a supporting character in the "Icewind Dale Trilogy". Salvatore created him on a whim when his publisher needed to replace another character in Salvatore's first novel, "The Crystal Shard". Drizzt has since become a popular heroic character of the Forgotten Realms setting, and has been featured as the main character of a long series of books, starting chronologically with "The Dark Elf Trilogy". As an atypical drow (dark elf), Drizzt has forsaken both the evil ways of his people and their home in the Underdark, in the drow city of Menzoberranzan.
Document 9: A Storm of Swords: A Storm of Swords is the third of seven planned novels in "A Song of Ice and Fire", a fantasy series by American author George R. R. Martin. It was first published on August 8, 2000, in the United Kingdom, with a United States edition following in November 2000. Its publication was preceded by a novella called "Path of the Dragon", which collects some of the Daenerys Targaryen chapters from the novel into a single book.
Document 10: The Hunter's Blades Trilogy: The Hunter's Blades Trilogy is a fantasy trilogy by American writer R.A. Salvatore. It follows the "Paths of Darkness" series and is composed of three books, "The Thousand Orcs", "The Lone Drow", and "The Two Swords". "The Two Swords" was Salvatore's 17th work concerning one of his most famous characters, Drizzt Do'Urden. In this series, Drizzt takes a stand to stop the spread of chaos and war by an overambitious orc king across Drizzt's adopted homeland. The series reached the "New York Times" bestseller list and is followed by the installments of the "Transitions" series.
Document 11: The Reckoners: The Reckoners is a trilogy of young adult fantasy novels written by American author Brandon Sanderson. The series consists of "Steelheart" (2013), "Firefight" (2015), and "Calamity" (2016). The series depicts a post-apocalyptic world in which the appearance of an orbiting object has given random people superhuman powers in apparent defiance of known physical laws, turning them into "Epics". These powers have impelled most of them to prey upon or enslave the rest of humanity, causing the collapse of traditional governments. One young man orphaned by a High Epic joins an elite underground resistance movement.
Document 12: Malazan Book of the Fallen: Malazan Book of the Fallen is an epic fantasy series written by Canadian author Steven Erikson. The series, published by Bantam Books in the United Kingdom and Tor Books in the United States, consists of ten volumes beginning with the novel "Gardens of the Moon" published in April 1999, and concluding with the publication of "The Crippled God" in February 2011. Erikson's series is extremely complex with a wide scope, and presents the narratives of a large cast of characters spanning thousands of years across multiple continents. His plotting presents a complicated series of events in the world upon which the Malazan Empire is located. Each of the first five novels is relatively self-contained, in that it resolves its respective primary conflict; but many underlying characters and events are interwoven throughout the works of the series, binding it together.
Document 13: Ken Follett's The Pillars of the Earth: Ken Follett's The Pillars of the Earth is a point-and-click adventure video game developed and published by German studio Daedalic Entertainment. It is based on the Ken Follett award-winning novel of the same name (which was first printed in 1989), with the Prologue/Book 1 part of the game being released on 16 August 2017.
Document 14: The Chronicles of Thomas Covenant: The Chronicles of Thomas Covenant is a series of ten high fantasy novels written by American author Stephen R. Donaldson. The series began as a trilogy, entitled "The Chronicles of Thomas Covenant, the Unbeliever". This was followed by another trilogy, "The Second Chronicles of Thomas Covenant", and finally a tetralogy, "The Last Chronicles of Thomas Covenant".
Document 15: The Hythrun Chronicles: The Hythrun Chronicles is a fantasy set of novels by Jennifer Fallon told in two trilogies, The Demon Child Trilogy and The Wolfblade Trilogy. The Demon Child Trilogy follows R'shiel Tenragan as she accepts her fate as the demon child and tries to hold the fabric of her world together while defeating the Karien god, Xaphista, and bringing about some well needed changes to the four main countries of Medalon, Hythria, Fardohnya, and Karien with help from multiple influential characters she befriends. The Wolfblade Trilogy, set about 30 years before, follows the life of Marla Wolfblade from the age of 15 until she is in her 40's. It also follows stories of various characters intertwined with that of Marla Wolfblade and explains much of the history in The Demon Child History as it follows Damin Wolfblade and Marla's other children growing up and how the state of affairs presented in The Demon Child Trilogy came to be. There is a fifth country introduced to the trilogy as well, Denika. It is off the map and indicated as south of Hythria and Fardohnya across the Dregian Ocean, accessed by ship.
ground_truth: nineteen