The Puzzle Planet / The Angry Espers (Ace Double D-485)
New York, NY: Ace Books, 1961. First Thus. Paperback. A near fine copy. The lightest of wear to the edges. Appears as an unready copy. [shelved].
Memento Mori Books
New York, NY: Ace Books, 1961. First Thus. Paperback. A near fine copy. The lightest of wear to the edges. Appears as an unready copy. [shelved].