Echo X by Ben Barzman is a vintage science fiction novel published in 1964 by Paperback Library. This novel, with a publication year of 1964, falls under the genre of science fiction and has a narrative type of fiction. The book is written in English and has a total of 252 pages. Ben Barzman, the author, takes readers on a thrilling journey through a futuristic world filled with intriguing technological advancements and thought-provoking themes.