Given the question: Information: - Darren O'Shaughnessy (born 2 July 1972 in London, England), who commonly writes under the pen name Darren Shan, is an Irish author. Darren Shan is the main character in O'Shaughnessy's "The Saga of Darren Shan" young adult fiction series, also known as the "Cirque Du Freak" series. He followed that up with "The Demonata" series and the stand-alone books, "Koyasan" and "The Thin Executioner". Then came "The Saga of Larten Crepsley" which is a prequel to The Saga of Darren Shan. He has most recently finished a 12 novel series "Zom-B". The first book went on sale in September 2012, with the final book, "Zom-B Goddess," published in April 2016. Darren also writes for adults, and has published "The City Book Trilogy" and "Lady Of The Shades" under the name of Darren Shan, and "The Evil And The Pure" and "Sunburn" and "An Other Place" under the name of Darren Dash. - The City Trilogy was written for adult readers under the pen-name Darren O'Shaughnessey originally, before the pen-name Darren Shan was used for his children's books. The third book was originally never published, and the books went out of print until 2008. They were published by Orion Publishing Group. - Sunburn is a form of radiation burn that affects living tissue, such as skin, that results from an overexposure to ultraviolet (UV) radiation, commonly from the sun. Common symptoms in humans and other animals include red or reddish skin that is hot to the touch, pain, general fatigue, and mild dizziness. An excess of UV radiation can be life-threatening in extreme cases. Exposure of the skin to lesser amounts of UV radiation will often produce a suntan. - Young adult fiction or young adult literature (YA) is fiction published for readers from 12 to 18. However, authors and readers of "young teen novels" often define it as written for those aged 15 to the early 20s. The terms young adult novel, juvenile novel, teenage fiction, young adult book, etc., refer to the works in this category. - Cirque du Freak (also known as Cirque du Freak: A Living Nightmare) is the first novel in "The Saga of Darren Shan" by Darren Shan, published in January 2000. The story begins with Darren Shan and his best friend Steve "Leopard", who visit an illegal freak show, where an encounter with a vampire and a deadly spider forces them to make life-changing choices that neither of them could have ever thought possible. - Procession of the Dead is a book written by Darren O'Shaughnessy ( more commonly known by his pen - name Darren Shan ) that was originally published in February 1999 in the UK under the name of Ayuamarca . It is the first book in The City Book Trilogy . It was re-released in March 2008 following Darren Shan 's popularity under the new ' Procession ' title . The Name '' Ayumarcan '' means '' Procession of the Dead '' in Incan language . - The Demonata is a series of books by best selling author Darren Shan. It deals with the world of demons (as opposed to his other series, "The Saga of Darren Shan", which involves vampires). The series is told by three different protagonists: Grubbs Grady, Kernel Fleck, and Bec MacConn, the last of whom is the one of the first female protagonists in a Darren Shan book, the other being the Zom-B Series. The series contains ten books. After reading the paragraphs above, choose the best answer for the entity that related to 'procession of the dead ' with the relationship of 'series'. Choices: - 2 - fiction - humans - life - novel - the city - the city trilogy - the demonata - the saga of darren shan
The answer is:
the city trilogy