These covers designed by Spanish illustrator Manolo Prieto between 1940 and 1957 were done for the low-cost weekly publication Novelas y Cuentos by the publishing house Dédalo. Americans would call them pulps, but they’re high-quality graphic design any way you look at it, and so contemporary in their graphic artistry, flat color patina and surrealist imagery. Prieto, who is currently on exhibition at the Museum of Decorative Arts in Madrid until Oct. 22, discusses the covers