Complex sentence: Quickly becoming a success, the serial publication ran until 1959 and was reissued in 1961 in a dedicated magazine, "Eternauta", published by Editorial Emilio Ramírez.
Split into simpler sentences: Quickly becoming a success, the serial publication ran until 1959. It was reissued in 1961 in a dedicated magazine, "Eternauta", published by Editorial Emilio Ramírez.