The volumes appeared in quick succession. _Pharais_ in 1894; _The Mountain Lovers_ in 1895; _The Sin-Eater_ in 1895; _The Washer of the Ford_ in 1896; _Green Fire_ in 1896; _The Laughter of Peterkin_ in 1897; _The Dominion of Dreams_ in 1899; and a volume of poems, _From the Hills of Dream_, in 1896. A second serious illness intervened, and in 1900 he published _The Divine Adventure_, and in 1904 _The Winged Destiny_. Of his two dramas, written in 1898-9, _The House of Usna_ was performed by the Stage Society in London in 1900, and was issued in book form in America by Mr. Mosher in 1903; _The Immortal Hour_ was published in America in 1907 and in England in 1908. The volume of nature essays, _Where the Forest Murmurs_, and an enlarged edition of _From the Hills of Dream_ were also published posthumously. For twelve years the name of "Fiona Macleod" was one of the mysteries of contemporary literature. The question of "her" identity provoked discussion on both sides of the Atlantic; conjecture at times touched the truth and threatened disclosure. But the secret was loyally guarded by the small circle of friends in whom he had confided. "'Fiona' dies" he was wont to say, "should the secret be found out." These friends sympathised with and respected the author's desire to create for himself, by means of a pseudonym, the necessary seclusion wherein to weave his dreams and visions into outward form; to write a series of Celtic poems, romances and essays different in character from the literary and critical work with which William Sharp had always approached his public. In a letter to an American friend written in 1893, before he had decided on the use of the pseudonym, he relates: "I am writing a strange Celtic tale called _Pharais_, wherein the weird charm and terror of the night of tragic significance is brought home to the reader (or I hope so) by a stretch of dew-sweet moonflowers glimmering white through the mirk of a dust laden with sea-mist. Though the actual scene was written a year ago and one or other of the first parts of _Pharais_, I am going to rewrite it." In 1895 he wrote to the same friend who had received a copy of the book, and who, remembering the statement, was puzzled by the name of the author: "Yes, _Pharais_ is mine. It is a book out of the core of my heart.... Ignored in some quarters, abused in others, and unheeded by the general reader, it has yet had a reception that has made me deeply glad. It is the beginning of my true work. Only one or two know that I am 'Fiona Macleod.'" To the last the secret was carefully guarded for him, until he passed "from the dream of Beauty to Beauty."