Heartstrings is the debut studio album by American singer-songwriter Leighton Meester.
 It was released on October 28, 2014 by Vagrant and Hotly Wanting.
 Meester wrote all nine tracks featured on the record by herself, and the album was produced by Jeff Trott.
 Following its release, "Heartstrings" received generally positive reviews.
By the Gun (formerly God Only Knows) is an American crime drama film directed by James Mottern and written by Emilio Mauro.
 The film stars Ben Barnes, Leighton Meester, Harvey Keitel, Kenny Wormald, Toby Jones, Paul Ben-Victor and Ritchie Coster.
 Barnes plays a low-level gangster who longs to become a made man, only to find that his life has become much more complicated once this happens.
Leighton Marissa Meester (born April 9, 1986) is an American actress, singer, songwriter and model.
 She is mostly known for her starring role as Blair Waldorf in the television series "Gossip Girl" (2007–2012).
 She has also appeared in the films "Killer Movie" (2008), "Country Strong" (2010), "The Roommate" (2011), "Monte Carlo" (2011), "The Oranges" (2011), and "The Judge" (2014).
 Meester made her Broadway debut in "Of Mice and Men" (2014).
Shahine Ezell (Orizaba, Veracruz) is a film and television actor, record producer, talent manager and songwriter.
 Ezell is Leighton Meester's talent manager as well as the songwriter and record producer of "The Nomads".
 He attended Booker T. Washington High School for the Performing and Visual Arts and California Institute of the Arts for Acting.
 He started his career on the television show "Strong Medicine".
 Then moved on to work on movies: "Driftwood", "Detention", "Remember the Daze", and "Days of Wrath".
 He also appeared on the NBC show "Crossing Jordan".
 He now is working on Leighton Meester's debut album.
Life Partners is a 2014 American comedy film directed by Susanna Fogel and co-written with Joni Lefkowitz.
 It is Fogel's feature film directorial debut.
 The film stars are Leighton Meester, Gillian Jacobs, Adam Brody, Greer Grammer, Gabourey Sidibe, and Julie White.
 The film premiered on April 18, 2014 at the Tribeca Film Festival in the Spotlight section.
 The film was released on November 6, 2014 on demand platforms, and in select theaters on December 5, 2014.
"Somebody to Love" is a song by American actress and singer Leighton Meester featuring Robin Thicke.
 Written by Meester, Thicke, Mike Caren, Ollie Goldstein, Rico Love, and Shahine Ezell, and produced by Caren, the song was released as a digital single on October 14, 2009 by Universal Republic Records.
The Haunting of Sorority Row (also known as Deadly Pledge in Australia, the UK and France) is a 2007 Canadian made for TV film starring Leighton Meester, Agam Darshi, Lisa Marie Caruk, Meghan Ory, Carlo Marks and Kailin See.
 The film aired on the Lifetime Television network and Global TV in October 2007.
 The film revolves around a freshman at a college who believes a haunted house on sorority row is hiding sinister secrets.
 A sorority ritual leads to a ghost seeking revenge on sorority members.
 The film was released on October 6, and was directed by Bert Kish.
Of Mice and Men is a novella written by author John Steinbeck.
 Published in 1937, it tells the story of George Milton and Lennie Small, two displaced migrant ranch workers, who move from place to place in California in search of new job opportunities during the Great Depression in the United States.
"Good Girls Go Bad" is a song by American pop band Cobra Starship with guest vocals by Leighton Meester.
 It was the first single released from their third studio album, "Hot Mess".
 The song was released digitally through iTunes on May 11, 2009.
 On May 8, 2009, "Good Girls Go Bad" made its radio debut on KIIS-FM with Ryan Seacrest's show.
Jim Parrack (born February 8, 1981) is an American actor.
 He had a starring role as Hoyt Fortenberry in HBO series "True Blood", and appeared in the film "", which was released in March 2011.
 He also appeared as "Slim" in the 2014 Broadway production of "Of Mice and Men" alongside James Franco, Chris O'Dowd and Leighton Meester.

Question: Leighton Meester made her Broadway debut in a novella written by who ?
Answer: John Steinbeck