Complex sentence: She also works on the "Suzumiya Haruhi series", along with its author Nagaru Tanigawa; this series has also led to an anime series titled after the first book, "The Melancholy of Haruhi Suzumiya".
Split into simpler sentences: She also works on the "Suzumiya Haruhi series" along with its author Nagaru Tanigawa. Their work has also led to an anime titled after the first book in the series, "The Melancholy of Haruhi Suzumiya".