Seven vintage paperbacks from the Martian series by Edgar Rice Burroughs. Featuring the iconic hero John Carter, these softcover books were published by Ballantine Books between 1963 and 1969. The special attributes include the vintage design of the covers, making these a must-have for collectors of science fiction literature. The books are in English, with original print and facsimile, and have a unit quantity of 7. These books are a true gem for fans of Burroughs' work and science fiction enthusiasts alike.