Question: What company published the second book in the erotic romance trilogy written by the author of "Snowqueen's Icedragon"?

Context paragraphs:
The Steel Wave: The Steel Wave: A Novel of World War II is a historical novel written by Jeff Shaara about Operation Overlord.  The book is the second book in a trilogy written by Shaara.

E. L. James: Erika Mitchell (born 7 March 1963), known by her pen name E. L. James, is an English author.  She wrote the bestselling erotic romance trilogy "Fifty Shades of Grey", "Fifty Shades Darker", and "Fifty Shades Freed", along with the companion novel ""; and under "Snowqueen's Icedragon" the Twilight fan fiction "Master of the Universe" that was the basis for the Fifty Shades trilogy.

The Broken Kingdoms: The Broken Kingdoms is the second book of the "Inheritance" trilogy written by N. K. Jemisin.  It takes place ten years after the events of "The Hundred Thousand Kingdoms" and centers around a young woman named Oree Shoth, who lives in the World Tree-shrouded, godling-inhabited city of Shadow.

Mitzi Szereto: Mitzi Szereto is a British author, blogger, and web TV entrepreneur.  She has written novels and short stories, edited fiction and non-fiction anthologies, has her own blog of humorous personal essays "Errant Ramblings: Mitzi Szereto's Weblog", and is the creator/presenter of "Mitzi TV," a Web TV channel that covers the quirky side of London, England.  Her published books to date have been in the areas of cozy mystery, Gothic fiction, horror, crime fiction, quirky fiction, apocalyptic and post-apocalyptic fiction, paranormal romance, sci-fi/fantasy, erotic literature and erotic romance, parody and satire, Southern Fiction, and fiction and non-fiction anthologies.  Early in her career she wrote several erotic novels under the name M. S. Valentine.  She makes a cameo appearance portraying herself in the British mockumentary "Lint the Movie".

Fifty Shades Darker: Fifty Shades Darker is a 2012 erotic romance novel by British author E. L. James.  It is the second instalment in the "Fifty Shades" trilogy that traces the deepening relationship between a college graduate, Anastasia Steele, and a young business magnate, Christian Grey.  The first and third volumes, "Fifty Shades of Grey" and "Fifty Shades Freed", were published in 2011 and 2012.  The novel is published by Vintage Books and reached No. 1 on the "USA Today" best seller list.

Robot Romance Trilogy: The Robot Romance Trilogy (長浜ロマンロボシリーズ , Nagahama Roman Robo Shirīzu , lit.  Nagahama's Romance Robo Series) were three Super Robot anime series created by "Saburo Yatsude" (a collective name for the staff at Toei) and directed by Tadao Nagahama from late 1976 through early 1979.  The trilogy, consisting of "Chōdenji Robo Combattler V", "Chōdenji Machine Voltes V", and "Tōshō Daimos", was a co-production between Sunrise and Toei Company with Sunrise providing the animation work on their behalf.  The series are notable for developing ideas from "Brave Raideen", helping the super robot genre evolve, from series meant mainly to sell toys, with little to no plot or character development from episode to episode, into series capable of telling dramatic stories of human conflict and compassion.  Two of the "Robot Romance" series, "Voltes V" and "Tōshō Daimos", are used as inspiration for two of the three sculptures in the Filipino art project "Super Robot - Suffer Reboot" by Toym Leon Imao.

Dark Fire (Feehan novel): Dark Fire is the sixth book in the paranormal/romance series Dark Series by American author Christine Feehan.  It is the second book in a trilogy written within the Dark Series, and it starts several months after the events in "Dark Challenge".

Gabriel's Inferno: Gabriel's Inferno is an erotic romance novel by an anonymous Canadian author under the pen name Sylvain Reynard.  The story was first published in novel format in 2011 by Omnific Publishing, with further publishing rights to the series being purchased by Berkley Books.  The work was first published on 4 September 2012, along with the second book in the series, "Gabriel's Rapture".

The Lady of the Sorrows: The Lady of the Sorrows is the second book in "The Bitterbynde" Trilogy written by Australian author Cecilia Dart-Thornton.  It is preceded by "The Ill-Made Mute" and followed by the last book in the trilogy, "The Battle of Evernight", which closes the trilogy.

The Crimson Campaign: The Crimson Campaign is the second book in "The Powder Mage" trilogy written by American author Brian McClellan.  It was first published by Orbit Books on May 6, 2014 and is the sequel to "Promise of Blood" (2013).  The third and last book, titled "The Autumn Republic", was released on February 10, 2015.

Supporting paragraphs: E. L. James Fifty Shades Darker
Answer: Vintage Books