Question: Brisingr is the third novel in the "Inheritance Cycle", is a young adult tetralogy of high fantasy novels written by which American author?

full_context: Document 1: Inheritance Cycle: The Inheritance Cycle is a young adult tetralogy of 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 (named the "Inheritance 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.
Document 2: The Stormlight Archive: The Stormlight Archive is an ongoing epic fantasy series written by American author Brandon Sanderson. Planned as the first of ten books, "The Way of Kings" was published on August 31, 2010 by Tor Books in the United States. The second book, "Words of Radiance", was published on March 4, 2014. The third book in the series, titled "Oathbringer", is scheduled to be released on November 14, 2017.
Document 3: Inheritance (Paolini novel): Inheritance is a 2011 novel written by American author Christopher Paolini. It is the fourth novel in the Inheritance Cycle.
Document 4: Christopher Paolini: Christopher James Paolini (born November 17, 1983, Los Angeles, California) is an American author. He is the author of the "Inheritance Cycle", which consists of the books "Eragon", "Eldest", "Brisingr" and "Inheritance". He currently lives in Paradise Valley, Montana, where he wrote his first book.
Document 5: 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 6: Oathbringer: Oathbringer is an upcoming 2017 epic fantasy novel written by American author Brandon Sanderson and the third book in "The Stormlight Archive" series. It will be published by Tor Books and is scheduled to be released on November 14, 2017. "Oathbringer" will consist of one prologue, 122 chapters, an epilogue and 14 interludes. It is preceded by "Words of Radiance".
Document 7: Brisingr: Brisingr is the third novel in the "Inheritance Cycle" by Christopher Paolini. It was released on September 20, 2008. Originally, Paolini intended to conclude the then "Inheritance Trilogy" in three books, but during writing the third book he decided that the series was too complex to conclude in one book, because the single book would be close to 1,500 pages long. A deluxe edition of "Brisingr", which includes removed scenes and previously unseen art, was released on October 13, 2009.
Document 8: The Dark Tower II: The Drawing of the Three: The Drawing of the Three is a fantasy novel by American writer Stephen King, the second book in "The Dark Tower" series, published by Grant in 1987. The series was inspired by "Childe Roland to the Dark Tower Came" by Robert Browning. The story is a continuation of "" and follows Roland of Gilead and his quest towards the Dark Tower. The subtitle of this novel is RENEWAL.
Document 9: Fifty Shades Freed: Fifty Shades Freed is the third and final installment of the erotic romance "Fifty Shades Trilogy" by British author E. L. James. After accepting entrepreneur CEO Christian Grey's proposal in "Fifty Shades Darker", Anastasia Steele must adjust not only to married life but to her new husband's wealthy lifestyle and controlling nature. The paperback edition was first published in April 2012.
Document 10: Dragon Raja: Dragon Raja (Korean:드래곤 라자; abbreviated as 드라) is the first series of fantasy novels written by Lee Yeongdo, one of the most famous fantasy novelists in South Korea. The books chronicle the adventures of a 17-year-old boy Hoochie Nedval, his mentor Karl Heltant and his friend Sanson Percival, all of whom are from the poor town of Fief Heltant in the Kingdom of Bysus. The main story arc, told in the first-person by Hoochie, concerns the three's quest to rescue their people from the black dragon Amurtaht by finding money to pay the ransom; then to find and protect a lost dragon raja girl, who would serve as the bridge between people and dragons and stop a crimson dragon that terrorized the continent 20 years ago.
Document 11: Nightrise: Nightrise is the third book in "The Power of Five" series, written by Anthony Horowitz. It was published and released in the UK on 2 April 2007 by Walker Books Ltd. It is preceded by "Evil Star", released in 2006, and followed by "Necropolis", which was released on 30 October 2008. The title refers to a fictional organisation represented in the book. And also it refers to the Old Ones' presence on Earth, and their spreading darkness.
Document 12: The Wheel of Time: The Wheel of Time is a series of high fantasy novels written by American author James Oliver Rigney, Jr. under his pen name of Robert Jordan. Originally planned as a six-book series, "The Wheel of Time" spanned fourteen volumes, in addition to a prequel novel and a companion book. Jordan began writing the first volume, "The Eye of the World", in 1984, and it was published in January, 1990.
Document 13: 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 14: 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 15: Talking to Dragons: Talking to Dragons is a young adult fantasy novel, the fourth and final book in the "Enchanted Forest Chronicles" by Patricia Wrede, although it was published first, in 1985. It is told in first person from the point of view of sixteen-year-old Daystar, son of Cimorene, a woman who lives at the edge of the Enchanted Forest.
ground_truth: Christopher Paolini