Original sentence: The ambitious journalist created three magazines between 1904 and 1911: the children's weekly Pulgarcito (akin to "Tom Thumb"), Germinal, and his most succesful early periodical, the general interest weekly, Mundo Argentino ("Argentine World")
Edited sentence: The ambitious journalist created three magazines between 1904 and 1911: the children's weekly Pulgarcito (akin to "Tom Thumb"), Germinal, and his most successful early periodical, the general interest weekly, Mundo Argentino ("Argentine World")