J. Allen St. John, born in Chicago #OTD in 1872, painted 4 of the 11 first-edition covers for #ERB's Mars novels. #3, THE WARLORD OF MARS (1919) #5, THE CHESSMEN OF MARS (1922) #6, THE MASTER MIND OF MARS (1928) #8, SWORDS OF MARS (1936)
Images: #ERBzine 4190, 0426, 2176, 0736