Author Susan Cooper writes that the book is possibly the only "realistic story" to gain the universal affection of a fairy-tale, although she also noted that it is actually a "deceptively simple ritual" rather than a story.
In Susan Cooper's The Dark is Rising series, Gwyddno is the king of the Lost Lands in Silver on the Tree.
Susan Cooper wrote a novel by the name of Victory, in 2006, partly based on the life of Samuel Robbins.
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The writer Susan Cooper leads her characters to "Bird Rock" in her book, "The Grey King," from the The Dark Is Rising Sequence.
Hume Cronyn and Susan Cooper developed a play based on this work, also entitled Foxfire (1982).