Question: What is the nationality of the author of the The Apothecary Series trilogy?

Context articles: King Kelson's Bride
Bjarnfreðarson
Troy: Shield of Thunder
Camber the Heretic
Eric Wan
The Bastard Prince
The Apothecary Series (Books)
The King's Justice
The Gathering (Armstrong novel)
Maile Meloy

King Kelson's Bride is a historical fantasy novel by American-born author Katherine Kurtz.
 It was first published by Ace Books in 2000.
 It was the thirteenth of Kurtz' Deryni novels to be published, and the only novel in the series that was not part of a trilogy.
 In terms of the series' internal literary chronology, "King Kelson's Bride" directly follows the events of the third Deryni trilogy, the Histories of King Kelson.
 The next trilogy to be published, the Childe Morgan series, is a direct prequel to the first Deryni series, the Chronicles of the Deryni.
Bjarnfreðarson is a 2009 Icelandic comedy film directed by Ragnar Bragason, director of the TV series trilogy consisting of "Næturvaktin", "Dagvaktin" and "Fangavaktin", to which it is a sequel.
 At its première in Iceland, it was met with wide success, even beating "Avatar" at the box office on its opening weekend.
 It was watched by over 20% of the Icelandic population, which is a record for an Icelandic film, and won 11 Edda Awards.
Troy: Shield of Thunder is a 2006 novel by British fantasy writer David Gemmell, forming the second part of his Troy Series trilogy.
Camber the Heretic is a fantasy novel by American-born author Katherine Kurtz.
 It was first published by Del Rey Books in 1981.
 It was the sixth novel of Kurtz' Deryni novels to be published, and the third book in her second Deryni trilogy, The Legends of Camber of Culdi.
 The "Legends" trilogy serves as prequels to The Chronicles of the Deryni series that Kurtz wrote from 1970 to 1973, and it details the events that occurred two centuries before the "Chronicles" trilogy.
 Kurtz' next Deryni series to be published was The Histories of King Kelson, but the internal literary chronology of the Legends trilogy is continued in The Heirs of Saint Camber trilogy.
Eric Wan Tin-chiu (born 28 October 1964) is a Hong Kong television actor best known for his role as "Fong Tin-yau" in the "My Date with a Vampire" television series trilogy produced by the Hong Kong television network ATV.
 Wan began his acting career after graduating from the ATV Training Course in 1983.
 He started as a host in television programmes for children before entering the drama department.
 He has since acted in many films and television series, including "Century of the Dragon", "", "Ransom Express", "2 Reincarnated 2", "Fist of Fury", and "DNA".
The Bastard Prince is a fantasy novel by American-born author Katherine Kurtz.
 It was first published by Del Rey Books in 1994.
 It was the twelfth of Kurtz' Deryni novels to be published, and the third book in her fourth Deryni trilogy, The Heirs of Saint Camber.
 Although the Heirs trilogy was the fourth Deryni series to be published, it is a direct sequel to the second trilogy, The Legends of Camber of Culdi.
 The next Deryni novel to be published, "King Kelson's Bride", was a direct sequel to the Histories of King Kelson trilogy, but the internal literary chronology of the series was later continued in "In the King's Service", the first book of the Childe Morgan trilogy.
The Apothecary Series is a Trilogy by Maile Meloy.
 The first book called "The Apothecary" was published October 4, 2011 by G.P. Putnam’s Sons.
 The second book, "The Apprentices", was .
 The final book in the trilogy was named "The After-Room" and published by G.P. Putnam's Sons Books for Young Readers (November 3, 2015).
 The illustrations were created by Ian Schoenherr.
The King's Justice is a historical fantasy novel by American-born author Katherine Kurtz.
 It was first published by Del Rey Books in 1985.
 It was the eighth of Kurtz' Deryni novels to be published, and the second book in her third Deryni trilogy, The Histories of King Kelson.
 Although The Legends of Camber of Culdi trilogy was published immediately prior to the "Histories" trilogy, the "Histories" trilogy is a direct sequel to Kurtz' first Deryni series, The Chronicles of the Deryni.
The Gathering is a novel by Kelley Armstrong.
 It was released April 12, 2011 by HarperTeen.
 The Gathering is the first book in Armstrong's Darkness Rising trilogy.
 Darkness Rising is the second trilogy in the Darkest Powers series.
 Darkness Rising follows a new set of kids.
 According to the author, Kelley Armstrong, she plans to bring the original group into the picture, but it will not be any time soon.
 At least not until the third book in this trilogy.
 The Darkness Rising trilogy follows a sixteen-year-old girl named Maya Delaney.
Maile Meloy (born January 1, 1972) is an American fiction writer.