Question: Necropolis is a fantasy novel by English, novelist and screenwriter specialising in mystery and suspense writer, Anthony Horowitz, born on which date?
Context: Anthony Horowitz, OBE (born 5 April 1955) is an English novelist and screenwriter specialising in mystery and suspense.  His work for young adult readers includes "The Diamond Brothers" series, the "Alex Rider" series, and "The Power of Five" series (a.k.a. "The Gatekeepers").  His work for adults includes the play "Mindgame" (2001), the two Sherlock Holmes novels "The House of Silk" (2011) and "Moriarty" (2014), "Magpie Murders" (2016) and "The Word is Murder" (2017).  He is also the most recent author chosen to write a James Bond novel by the Ian Fleming estate, titled "Trigger Mortis" (2015). The Power of Five (also known as The Gatekeepers in the US) is a series of five fantasy and suspense novels, written by English author Anthony Horowitz and published between 2005 and 2012.  It is an updated re-imagining of Horowitz's "Pentagram" series, which the author had left unfinished in the 1980s.  The series is published in the United Kingdom by Walker Books Ltd and in the United States by Scholastic Press.  The novels deal heavily in the occult and examples of things such as human sacrifice and blood rituals are major plot elements, such as in the first book, where Matthew Freeman is hunted by a Cult who want to conduct a blood sacrifice on him to blast open a portal using a combination of nuclear physics and black magic, to unlock another dimension which is holding a group of ancient evil demons captive. Matthew J. Freeman is the protagonist of Anthony Horowitz's "The Power of Five" novels, "Raven's Gate", "Evil Star" and one of the main characters in "Necropolis".  He also briefly appeared in the third book of the series, "Nightrise".  He was born in London, England, to an English mother and a father from New Zealand.  However, after the death of his parents he went to live in Ipswich, then York. 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. Raven's Gate is the first book in "The Power of Five" series, written by Anthony Horowitz.  It was published and released in the United Kingdom on 1 August 2005, by Walker Books Ltd and in the United States (1 June 2005) by Scholastic Press under the adjusted series title "The Gatekeepers".  It is followed by "Evil Star", released in 2006, "Nightrise" in 2007, and "Necropolis" in 2008, with the final book "Oblivion" in 2012. The James Bond series focuses on a fictional British Secret Service agent created in 1953 by writer Ian Fleming, who featured him in twelve novels and two short-story collections.  Since Fleming's death in 1964, eight other authors have written authorised Bond novels or novelizations: Kingsley Amis, Christopher Wood, John Gardner, Raymond Benson, Sebastian Faulks, Jeffery Deaver, William Boyd and Anthony Horowitz.  The latest novel is "Trigger Mortis" by Anthony Horowitz, published in September 2015.  Additionally Charlie Higson wrote a series on a young James Bond, and Kate Westbrook wrote three novels based on the diaries of a recurring series character, Moneypenny. Carol Higgins Clark (born July 28, 1956) is an American mystery author and actress.  She is the daughter of suspense writer Mary Higgins Clark, with whom she has co-authored several Christmas novels, and the former sister-in-law of author Mary Jane Clark. Margaret Ellis Millar (née Sturm) (February 5, 1915 – March 26, 1994) was an American-Canadian mystery and suspense writer. Necropolis is a fantasy novel by British writer Anthony Horowitz.  It is the fourth novel in his "The Power of Five" series.  The book is set in London, Peru, Miami, Ukraine, Macau and Hong Kong.  The book was released in the United Kingdom and Australia on 30 October 2008.  It is a rewrite of the corresponding "Day of the Dragon", released 1989 in Horowitz's "Pentagram" series.  A marked difference between original is evidenced by a lead character, Matt, being replaced with a female counterpart, Scarlett.  According to Horowitz, this change resulted a complete rewrite of the original.  Before Christmas 2008, the book had sold 190,000 copies worldwide. Brendan DuBois is an American mystery fiction and suspense writer.  In this field he has twice won a Shamus Award for Best Short Story of the Year.  He also had his short story "The Dark Snow'" published in "Best American Mystery Stories of the Century", edited by Otto Penzler and Tony Hillerman (ISBN  ).  Despite success in his primary genres, he is best known for his alternate history novel "Resurrection Day", which won the Sidewise Award for Alternate History.  He was the champion on the September 28, 2012 episode of "Jeopardy!" and defeated the Beast on the February 24, 2015 episode of "The Chase".
Answer: 5 April 1955