Complex sentence: He has written one book ("Afghanistan", Routledge, 2003), academic papers in English and also many articles widely for Afghan exile press in both Pashto and Dari over the years.
Split into simpler sentences: He has written some books ("Afghanistan", Routledge, 2003), academic papers in English. He is also the author of many articles widely for Afghan exile press in both Pashto and Dari over the years.