Question: What is the nationality of the author of "Play Dirty"?

Context paragraphs:
The Long Way Home (Krept and Konan album): The Long Way Home is the debut studio album by English rappers Krept and Konan.  Originally scheduled for release on 6 July 2015, the album was released a day early on 5 July 2015 by Play Dirty, Virgin EMI and Def Jam.  The album features guest appearances from British singers Emeli Sandé, Rebecca Garton and Ed Sheeran, American singer Jeremih, American rappers Rick Ross, YG and Wiz Khalifa, British rapper Skepta and Derrick Morgan.  The title, artwork and release date was published on 23 March 2015 via Twitter.

Play Dirty (album): Play Dirty is the fourth studio album by British heavy metal band, Girlschool, released on Bronze Records in 1983 and produced by Noddy Holder and Jim Lea from the hard rock band Slade.

Dirty Slippers: Dirty Slippers is a Hungarian pop-rock band from Gyula, Hungary.  The band celebrated its 10 Year Anniversary in 2015.  The still very young members began to play in concerts as teenagers, and thanks to the luck and hard work they became famous in 2009 with their hit “Élned kell”, which also became the advertising song of the Hungarian campaign against cervical cancer.  The music video hits came after, like “Te vagy a Fény”, “Hang vagy Jel”, which song was hummed by the whole country, and “Egy a vége”.  In 2012 appeared the LP Közel Hozzád, which was recorded in the USA with George Shilling, the producer of Madonna and Oasis.  The LP made it to the Hit List of MAHASZ on the first week.  The fan base of the band suddenly increased, because from 2009 until the present day Dirty Slippers is the opening act of Republic, in arenas and festivals too.  Three European tours guaranteed the international success of the band.  First with The Coronas, which is the favorite band of the Beatles-frontman Paul McCartney, then with the Romanian legend Rezident EX, and last time with the star band The Last Vegas, discovered by Guns N’ Roses.  Together they conquered the European clubs with crowded audience.  The Hungarian press wrote about this tour many times like this: “Dirty Slippers stands on the doorstep of worldwide success.”

1-2-3-4 Rock and Roll: 1-2-3-4 Rock and Roll is an EP produced by British heavy metal band, Girlschool.  It was released in 1983 by Bronze Records, in an attempt to boost the declining sales of the band and launch the upcoming new album "Play Dirty".  The title track was produced by Ramones' producers Ritchie Cordell and Glen Kolotkin, who completed with samples the recording process that the band refused to carry on.  The same song was released by the American band Rail the same year.

King Biscuit Flower Hour Presents Girlschool: King Biscuit Flower Hour Presents Girlschool is a live album by British heavy metal band Girlschool, released by King Biscuit Flower Hour Records in 1997.  It was recorded during the 1984 "Play Dirty" USA tour.  Kelly Johnson would leave the band soon thereafter.  The album was reissued through Disky Records on 6 June 2002 with the title Race with the Devil and with the running order changed.

Play Dirty Live: Play Dirty Live is the first video album released by the British heavy metal band Girlschool in 1985.  The American release of the VHS was done by Polygram, the label that had Girlschool under contract at the time.  The release of the video was part of the marketing strategy to launch the studio album "Running Wild" in the US, the only country where it was published.  The British edition was instead licensed to Castle Communications and released at the same time.  The concert was filmed by Trillion Pictures at the Camden Palace Theatre in London on 7 December 1984 for the British TV show "Live from London".  The band, which had been recently augmented to a five-piece group, was still recording "Running Wild" and presents in this show five new songs from the upcoming album.  The following songs have their titles wrongly indicated on the sleeve of the VHS: "Out to Get You" (Future Flash), "Ready to Rock" (Are You Ready?) , "Emergency 999" (Emergency).  The song "I Like It Like That" is the B-side of the "20th Century Boy" 12 inches single.

Play Dirty: Play Dirty is a 1969 British war film starring Michael Caine, Nigel Green and Harry Andrews.  It was director Andre DeToth's last film, based on a screenplay by Melvyn Bragg and Lotte Colin.  The film's story is inspired by the exploits of units such as the Long Range Desert Group, Popski's Private Army and the SAS in North Africa during World War II.

Young Kingz: Young Kingz is the third mixtape by the English hip hop duo Krept and Konan.  The mixtape was released on 2 September 2013 on Play Dirty.  It entered the UK Albums Chart at number 19 and the UK R&B Chart at number three.

Sandra Brown: Sandra Lynn Brown (born March 12, 1948) is an American bestselling author of romantic novels and thriller suspense novels.  Brown has also published works under the pen names of Rachel Ryan, Laura Jordan, and Erin St. Claire.

Play Dirty (novel): Play Dirty is a thriller novel written by Sandra Brown in 2007.  According to WorldCat, the book was held in more than 2500 libraries as of February, 2014.

Supporting paragraphs: Play Dirty (novel) Sandra Brown
Answer: American