The cover of "Wormwood" book by Mark Valentine features a vibrant orange and yellow gradient, with the title and author names in white text. The left page lists the book's content, including "The Territory of the Others: The Dark Fiction of Theodore Sturgeon by Joel Lane", "The Crystal Utopia: The Greek Child by Herbert Read", and "The Decadent World-View by Brian Stableford". The right page displays the book's price, "£8.99", and the publisher's name, "Tartarus Press".