Complex sentence: The character was created by Edward Stratemeyer, the founder of the Stratemeyer Syndicate, a book-packaging firm, and his adventures have been written by a number of different ghostwriters over the years.
Split into simpler sentences: The character was created by Edward Stratemeyer, the founder of the Stratemeyer Syndicate, a book-packaging firm,. His adventures have been written by a number of different ghostwriters over the years.