The Terror (Hardcover) (ISBN-13: 9781963956405)

Several collections have translated and reproduced Machen's stories. The early 1970s paperback reissue of The Three Impostors in the Ballantine Adult Fantasy series introduced him to a new generation. The tiny press recently published Machen's work. The famous Library of Wales series reissued two volumes of Machen's work in 2010 to commemorate his 150th birthday.

Wesley D. Sweetser and S. T. Joshi see Machen's works as a major part of the late Victorian gothic novel revival and the 1890s decadent movement, comparing them to Robert Louis Stevenson's Strange Case of Dr. Jekyll and Mr. Hyde, Bram Stoker's Dracula, and Oscar Wilde's The Picture of Dorian Gray. Wilde, Yeats, and Doyle were Machen's fans. He is also included in the best Anglo-Welsh literature studies. Paul-Jean Toulet visited Machen in London and translated "The Great God Pan" into French. Charles Williams, a Machen enthusiast, received inspiration for his novels.