Question: Which British-American novelist's books served as an inspiration to author Katherine Woodfine?

Context articles: High Deryni
E. R. Braithwaite
Deryni Checkmate
Katherine Woodfine
The Sinclair's Mysteries
The Mystery of the Clockwork Sparrow
Roswell High
The Mystery of the Jewelled Moth
Frances Hodgson Burnett
Deryni Rising

High Deryni is a historical fantasy novel by American-born author Katherine Kurtz.
 It was first published by Ballantine Books as the sixty-first volume of the celebrated Ballantine Adult Fantasy series in September, 1973, and has been reprinted a number of times since.
 A revised and updated edition of the novel was released in 2007 by Ace Books.
 "High Deryni" was the third of Kurtz' Deryni novels to be published, and the final book in the Chronicles of the Deryni Trilogy.
 The next Deryni book to be published was "Camber of Culdi", which details events that occur two centuries before "High Deryni".
 However, the internal literary chronology of events in the Deryni series is continued in "The Bishop's Heir".
Eustace Edward Ricardo Braithwaite (June 27, 1912 – December 12, 2016), publishing as E. R. Braithwaite, was a Guyanese-born British-American novelist, writer, teacher and diplomat best known for his stories of social conditions and racial discrimination against black people.
 He was the author of the 1959 autobiographical novel "To Sir, With Love", which was made into a 1967 British drama film of the same title, starring Sidney Poitier and Lulu.
Deryni Checkmate is a fantasy novel by American-born author Katherine Kurtz.
 It was first published by Ballantine Books as the forty-sixth volume of the Ballantine Adult Fantasy series in May 1972, and has been reprinted a number of times since.
 The author released a revised and updated edition of the novel that was published by Ace Books in 2005.
 "Deryni Checkmate" was the second of Kurtz' Deryni novels to be published, and also the second book in the Chronicles of the Deryni Trilogy.
Katherine Woodfine (born 1983) is a British children's author, known for The Sinclair's Mysteries series beginning with "The Mystery of the Clockwork Sparrow".
The Sinclair's Mysteries is a quartet of children's historical mysteries from author Katherine Woodfine.
 The first book, "The Mystery of the Clockwork Sparrow", was published in June 2015.
 It was a Waterstones Book of the Month.
 The sequel, "The Mystery of the Jewelled Moth", was published in February 2016; the third instalment, "The Mystery of the Painted Dragon", was published in February 2017, with the fourth and final instalment expected to follow later in the year.
The Mystery of the Clockwork Sparrow is the debut novel of British children's author Katherine Woodfine, initially published by Egmont Publishing in June 2015.
 The novel is the first book in The Sinclair's Mysteries, a quartet of mystery-adventure novels set in Edwardian England.The Mystery of the Clockwork Sparrow was Waterstones Children's Book of the Month in June 2015.
 The novel was inspired by Katherine's love of classic children's adventure stories, E. Nesbit, Frances Hodgson Burnett, Enid Blyton and Nancy Drew.
Roswell High is a young adults book series written by Melinda Metz and published by Pocket Books.
 The 10-book series chronicles the adventures of three teen aliens and their human friends, who attend the fictional Ulysses F. Roswell High in Roswell, New Mexico.
 The "Roswell High" books served as inspiration for the American science fiction television series "Roswell" (1999–2002), also known as "Roswell High" in some countries, which in turn spawned eleven spin-off books of its own.
The Mystery of the Jewelled Moth is the second novel in The Sinclair's Mysteries series by British children's author Katherine Woodfine, publishing by Egmont Publishing in February 2016.
 The novel is the second book in a four book mystery-adventure series set in Edwardian England.
 The first book in the series was The Mystery of the Clockwork Sparrow which was Waterstones Children's Book of the Month in June 2015.
Frances Eliza Hodgson Burnett (24 November 1849 – 29 October 1924) was a British-American novelist and playwright.
 She is best known for the three children's novels "Little Lord Fauntleroy" (published in 1885–1886), "A Little Princess" (1905), and "The Secret Garden" (1911).
Deryni Rising is a historical fantasy novel by American-born author Katherine Kurtz.
 It was first published by Ballantine Books as the nineteenth volume of the Ballantine Adult Fantasy series in August 1970, and was reprinted at least ten times over the next three decades.
 In 2004, the author released a revised and updated edition of the novel that was published by Ace Books.
 "Deryni Rising" was the first of Kurtz' Deryni novels to be published, though some of her later works served as prequels, detailing events that occurred before the time period of "Deryni Rising".
 As a result, the storyline of the "Childe Morgan Trilogy" immediately precedes "Deryni Rising", despite the fact that it was published over thirty years after the first novel.