The quest by some readers for a consistent fictional canon within some subset of Tolkien's writings was noted by Verlyn Flieger. Since the degree of narrative consistency that might be expected from a series of novels is not always found in Tolkien's work, Flieger attributed the need on the part of some readers to find consistency within the stories to the sense of reality that Tolkien strove to instil in his work, although the search for a definitive fictional canon has been seen as ultimately irrelevant to appreciation of his tales.