Question: The Defector is a 2009 spy novel by who, the cover depicts the Houses of Parliament and Big Ben, the nickname for the Great Bell of the clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower as well?

Context paragraphs:
Clock Tower of Murshidabad: The Clock Tower of Murshidabad (locally known just as "Clock Tower" or "Ghari Ghar", also known as "Big Ben of Murshidabad") is a clock tower in the Nizamat Fort Campus in West Bengal, India.  The clock tower stands in the garden space between the Nizamat Imambara and the Hazarduari Palace; to its east, hardly a few feet away, is the old Madina Mosque and the Bacchawali Tope.

The Defector (novel): The Defector is a 2009 spy novel by Daniel Silva.  It spent four weeks as a New York Times Bestseller, reaching the list's top spot.  .  It's the 9th book in the Gabriel Allon series.  Released July 21, 2009, the cover depicts the Houses of Parliament and Big Ben in London The cover of the paperback printing by Signet (July 2010) depicts St. Basil's Cathedral in Moscow.

Victoria Tower: The Victoria Tower is the square tower at the south-west end of the Palace of Westminster in London, facing south and west onto Black Rod's Garden and Old Palace Yard.  At 98.5 m , it is slightly taller than the more famous Elizabeth Tower (formerly known as the Clock Tower and popularly known as 'Big Ben') at the north end of the Palace (96.3 m ).  It houses the Parliamentary Archives in archive conditions meeting the BS 5454 standard, on 12 floors.  All 14 floors of the building were originally linked via a single wrought-iron Victorian staircase of 553 steps, of which five floors survive.

Little Ben: Little Ben is a cast iron miniature clock tower, situated at the intersection of Vauxhall Bridge Road and Victoria Street, in Westminster, central London, close to the approach to Victoria station.  In design it mimics the famous clock tower colloquially known as Big Ben at the Palace of Westminster, found at the other end of Victoria Street.

Big Ben: Big Ben is the nickname for the Great Bell of the clock at the north end of the Palace of Westminster in London and is usually extended to refer to both the clock and the clock tower as well.  The tower is officially known as Elizabeth Tower, renamed to celebrate the Diamond Jubilee of Elizabeth II in 2012; previously, it was known simply as the Clock Tower.

Big Ben (solitaire): Big Ben (or known in other solitaire brands as Clock) is a solitaire card game which uses two decks of playing cards mixed together.  It is basically a large-scale, two-deck version of Grandfather's Clock and is probably named after Big Ben, the colloquially used nickname for the bell at the tower of the Palace of Westminster in London.

Birgu Clock Tower: The Birgu Clock Tower (Maltese: "It-Torri tal-Arloġġ tal-Birgu" ), also called the "Vittoriosa Clock Tower" and originally the Civic Clock Tower, was a clock tower in Birgu, Malta.  It was located in Victory Square, the city's main square, and it was a prominent landmark in Birgu and the rest of the Three Cities.  The tower was probably built in the Middle Ages, although some sources state that it was constructed in 1549.  It served as a watchtower since it had views over the Grand Harbour and the surrounding countryside, and it saw use during the Great Siege of Malta in 1565.  A clock was installed in the tower in the 17th century.

Big Ben Aden: Big Ben Aden (Arabic: بيج بن عدن‎ ‎ ) is a clock tower built by British engineers, along with locals, beside Aden Harbour in Yemen during the period that Aden Province (later called Aden Colony) was a territory within the British Empire.  It is superficially similar to the Elizabeth Tower (popularly known as Big Ben), the famous clock tower attached to the Palace of Westminster in London.  The clock was shut down for renovation about a quarter of a century ago, and returned to service in February 2012.  The tower was built during the 19th century as part of the British colonisation of Aden Province, which began in 1839 and came to an end in 1967.

Whitechapel Bell Foundry: The Whitechapel Bell Foundry was a business in the London Borough of Tower Hamlets, and, at the time of the closure of the Whitechapel premises, was the oldest manufacturing company in Great Britain.  The bell foundry primarily made church bells and their fittings and accessories, although it also provided single tolling bells, carillon bells and handbells.  The foundry was notable for being the original manufacturer of the Liberty Bell, a famous non-religious symbol of United States independence, and Big Ben which rings from the north clock tower (the Elizabeth Tower) at the Houses of Parliament in London.

Big Joe (bell): Joseph (commonly known as Big Joe) is a bronze bell that hangs 125 ft into the bell tower of Neo-Gothic Saint Francis De Sales Catholic Church in Cincinnati, Ohio, United States.  The endearing moniker Big Joe is a combination of the names of Joseph T. Buddeke, the largest donor of the project, and Big Ben, the great bell in the iconic Palace of Westminster clock tower in London.

Supporting paragraphs: The Defector (novel) Big Ben
Answer: Daniel Silva