We spend a lot of time looking for obscure paperback fronts, but sometimes you have to go with the top artists just for a reminder of how good they were. Therefore behold the immortal George Gross—six examples, all perfect.
1959—Dark Side of Moon Revealed
The Soviet space probe Luna 3 transmits the first photographs of the far side of the moon. The photos generate great interest, and scientists are surprised to see mountainous terrain, very different from the near side, and only two seas, which the Soviets name Mare Moscovrae (Sea of Moscow) and Mare Desiderii (Sea of Desire).