Question: What is the name of the prequel in the Guardians of Ga'Hoole series, written by Kathryn Lasky, that was published in 2013?

Context articles: Kathryn Lasky
Legend of the Guardians: The Owls of Ga'Hoole
God of War: Ascension
Undefeated Bahamut Chronicle
The Capture
Haganai
Guardians of Ga'Hoole
Oreimo
True North (novel)
Lady Gaga: Queen of Pop

Kathryn Lasky (born June 24, 1944) is an American children's writer who also writes for adults under the names Kathryn Lasky Knight and E. L. Swann.
 Her children's books include several Dear America books, The Royal Diaries books, "Sugaring Time", "The Night Journey", "Wolves of the Beyond", and the "Guardians of Ga'Hoole" series.
Legend of the Guardians: The Owls of Ga'Hoole is a 2010 American-Australian 3D computer-animated fantasy-adventure film based on the "Guardians of Ga'Hoole" series by Kathryn Lasky.
 Zack Snyder directed the film as an animation debut, Zareh Nalbandian produced the film, John Orloff and Emil Stern wrote the film, with Jim Sturgess, Hugo Weaving, Joel Edgerton, Abbie Cornish, Geoffrey Rush, Emily Barclay, Helen Mirren, Ryan Kwanten, Anthony LaPaglia, and David Wenham voicing the characters set in a post-human extinction-era Australia.
 The score was composed by David Hirschfelder and Adam Young from Owl City.
 The film was produced by Warner Bros., Village Roadshow Pictures and Animal Logic.
 "Legend of the Guardians: The Owls of Ga'Hoole" is the only Cruel and Unusual Films production that is not aimed at adult audience members.
 Production took place in Australia, and the film was released in RealD 3D and IMAX 3D on September 24, 2010.
 The film grossed $140.1 million on a $80 million budget.
God of War: Ascension is a third-person action-adventure video game developed by Santa Monica Studio and published by Sony Computer Entertainment (SCE).
 The game was first released on March 12, 2013, for the PlayStation 3 (PS3) console.
 It is the seventh installment in the "God of War" series and prequel to the entire series.
 Loosely based on Greek mythology, the game is set in ancient Greece with vengeance as its central motif.
 The player controls the protagonist Kratos, the former servant of the God of War Ares, who tricked Kratos into killing his wife and daughter.
 In response to this tragedy, Kratos renounced Ares, breaking his blood oath to the god.
 Kratos was therefore imprisoned and tortured by the three Furies, guardians of honor and enforcers of punishment.
 Helped by the oath keeper Orkos, Kratos escapes his imprisonment and confronts the Furies to be completely free of his bond to Ares.
Undefeated Bahamut Chronicle (最弱無敗の<ruby ><rb>神装機竜</rb><rp> (</rp><rt >バハムート</rt><rp>)</rp></ruby> , Saijaku Muhai no Bahamūto , lit.
 "Undefeated Weakest Bahamut") is a Japanese light novel series, written by Senri Akatsuki and illustrated by Ayumu Kasuga.
 SB Creative has published twelve volumes since August 12, 2013 under their GA Bunko imprint.
 A manga adaptation written by Itsuki Watanabe, with art by Fumi Tadauri, began serialization in Square Enix and GA Bunko's online magazine "Gangan GA" from 2014.
 It has been collected in twelve "tankōbon" volumes in 2017.
Guardians of Ga'Hoole: The Capture by Kathryn Lasky
Haganai (はがない ) , short for Boku wa Tomodachi ga Sukunai (僕は友達が少ない , literally "I Don't Have Many Friends") , is a Japanese light novel series written by Yomi Hirasaka, illustrated by Buriki, and published by Media Factory.
 It has been given several manga adaptations; the first incarnation, its title and basic plot unchanged, began serialization in 2010; it was written and illustrated by Itachi and published in "Monthly Comic Alive".
 A retelling of the series, written by Misaki Harukawa and illustrated by Shuichi Taguchi and called "Boku wa Tomodachi ga Sukunai+" was published in "Jump SQ.19".
 A 12-episode anime adaptation by AIC Build aired in Japan between October and December 2011.
 An original video animation episode was released on September 26, 2012.
 A second anime season, Haganai NEXT, aired between January and March 2013.
 A live-action film adaptation was released on February 1, 2014.
Guardians of Ga’Hoole is a fantasy book series written by Kathryn Lasky and published by Scholastic.
 The series, which was intended to end in 2008 with the publication of "The War of the Ember" until a prequel "The Rise of a Legend" was published in 2013, has a total of sixteen books.
 Apart from the main series there are a few more books and spin offs set in the same universe.
 The first three books of the series were adapted into the animated 3D film "", directed by Zack Snyder.
Oreimo (俺妹 ) , short for Ore no Imōto ga Konna ni Kawaii Wake ga Nai (俺の妹がこんなに可愛いわけがない , lit.
 "My Little Sister Can't Be This Cute") and also known as Ore no Imōto (俺の妹 ) , is a Japanese light novel series written by Tsukasa Fushimi, with illustrations provided by Hiro Kanzaki.
 The series includes 12 novels released between August 2008 and June 2013.
 A manga adaptation drawn by Sakura Ikeda was serialized in ASCII Media Works' "Dengeki G's Magazine".
 A 12-episode anime adaptation produced by AIC aired in Japan between October and December 2010.
 Four additional episodes, which offer a different ending to the broadcast series, were streamed monthly via the official website and other video streaming sites between February and May 2011, before being released on Blu-ray Disc and DVD in June and July 2011.
 A 13-episode second anime season produced by A-1 Pictures, titled "Ore no Imōto ga Konna ni Kawaii Wake ga Nai."
 (with a period at the end), aired between April and June 2013.
 An additional three episodes were streamed online on August 18, 2013.
True North is a 1996 historical novel for young adults by Kathryn Lasky, and published by Scholastic Corporation Set in 1850s America, it is a story about the Underground Railroad.
 Afrika, a slave girl from Virginia, and Lucy, an independent girl constricted by Boston society, take different paths in life, Lucy exploring her family's history, and Afrika desperately searching for freedom, narrowly escaping capture.
Lady Gaga: Queen of Pop is a biography of American singer Lady Gaga.
 It was written by Emily Herbert (pen name for Virginia Blackburn) and published in the United Kingdom by John Blake Publishing Ltd. The book was published by Overlook Press in the United States with the title Lady Gaga: Behind the Fame.
 Additional versions under the title "Lady Gaga: Queen of Pop" were published in 2010 by Wilkinson Publishing of Melbourne in Australia and by Gardners Books in the United Kingdom.
 The book discusses Gaga's early life when she was known as Stefani Joanne Angelina Germanotta from her birth in 1986, and chronicles her education at Convent of the Sacred Heart in New York, her early visits to nightclubs with her mother to perform at open-mic events, and her brief foray into the Tisch School of the Arts, leading up to her first experience of fame.
 Germanotta took the name "Lady Gaga" from the song "Radio Ga Ga" by the rock group Queen; she released her first album "The Fame" in 2008.
 "Lady Gaga: Queen of Pop" describes the musician's success in the industry, noting her business collaborations and appearance on the cover of "Rolling Stone" in 2009.