Ray Bradbury shares the cover of pulp magazine Stories from the Moons of Mars with his friends Henry Kuttner and Leigh Brackett.
You'll be forgiven for not recognising this particular pulp. It never existed! The cover on the left is a fake, but a beautiful one, generated by the magnificent Pulp-o-mizer.
This fun web gadget lets you choose a wide range of presets and customise the cover text, to produce hundreds of different designs. Hours of fun.
Try it here!