The Lovely Bones
The Lovely Bones is a 2002 novel by Alice Sebold.
 It is the story of a teenage girl who, after being raped and murdered, watches from her personal Heaven as her family and friends struggle to move on with their lives while she comes to terms with her own death.
 The novel received much critical praise and became an instant bestseller.
 A film adaptation, directed by Peter Jackson, who personally purchased the rights, was released in 2009.
Skulduggery Pleasant
Skulduggery Pleasant is a series of fantasy novels written by Irish author Derek Landy.
 The books revolve around the adventures of the skeleton detective, Skulduggery Pleasant, and a teenage girl, Stephanie Edgley/Valkyrie Cain, along with other friends.
 The central story arc concerns Valkyrie's struggle to stop evil forces threatening the world, finally find justice for her late uncle's death, and her internal struggle of keeping the darkness within her to stay within.
Stephen Stanko
Stephen Stanko (born 1968), is a convicted murderer, who killed two people and raped a teenage girl in Murrells Inlet, South Carolina in 2005.
Need (novel series)
Need is a series of young adult urban fantasy novels by American author Carrie Jones, beginning with the inaugural entry of the same name.
 The focus of the story is a teenage girl named Zara, who joins a struggle against a society of malicious pixies.
 As the books progress, Zara encounters a series of personal challenges, and bonds with new friends and romantic interests.
Gidget
Gidget ( ) is a fictional character created by author Frederick Kohner (based on his teenage daughter, Kathy) in his 1957 novel, "Gidget, the Little Girl with Big Ideas".
 The novel follows the adventures of a teenage girl and her surfing friends on the beach in Malibu.
 The name Gidget is a portmanteau of "girl" and "midget".
 Following the novel's publication, the character appeared in several films, television series and television movies.
What Can't Wait
What Can't Wait is a young adult novel by Ashley Hope Pérez, published by Carolrhoda Lab in 2011.
 The story portrays a Mexican American teenage girl living in Houston who is torn between the demands of her family and her ambitions for the future.
 Karen Coats of "The Bulletin of the Center for Children's Books" wrote that this novel portrays how many immigrant families do not want their teenagers to absorb Americanized attitudes even though the immigrants came to the U.S. to get a better life.
 This is the author's first novel.
Louise Rennison
Louise Rennison (11 October 1951 – 29 February 2016) was an English author and comedian who wrote the "Confessions of Georgia Nicolson" series for teenage girls.
 The series records the exploits of a teenage girl, Georgia Nicolson, and her best friends, the Ace Gang.
 Her first and second novels, "Angus, Thongs and Full-Frontal Snogging" and "It's OK, I'm Wearing Really Big Knickers" were portrayed in a film adaptation called "Angus, Thongs and Perfect Snogging".
 She also wrote a series of books about Georgia's younger cousin, "The Misadventures of Tallulah Casey".
Oru Abhibhashakante Case Diary
Oru Abhibhashakante Case Diary is a 1995 Malayalam movie about a lawyer who seeks justice for a teenage girl who was raped and murdered.
Bad Girls (Wilson novel)
Bad Girls is a children's novel published in 1996, written by English author Jacqueline Wilson and illustrated by Nick Sharratt.
 The book revolves around a ten-year-old girl called Mandy being bullied by a girl called Kim.
 She later befriends a wayward teenage girl called Tanya who is in foster care and battling her own personal demons.

Question: The author of the novel about  the story of a teenage girl who, after being raped and murdered, watches from her personal Heaven as her family and friends struggle, also wrote a memoir in which year ?
Answer: 1999