Complex sentence: He wrote his first book, A continent of Islands, in 1992 and went on to write several books throughout the 1990's including his 1997 book Cod which was an international best seller and was translated into more than 15 languages.
Split into simpler sentences: He wrote his first book, "A Continent of Islands", in 1992 and went on to write several books throughout the 1990's. His 1997 book "Cod" was an international bestseller and was translated into more than 15 languages.