Complex sentence: It was originally published as five books by Headline Publishing Group between 1989 and 1992, followed by an omnibus edition by Trafalgar Square Publishing in 1992; the series was later re-published by Cosmos Books as "Morgan le Fay" in 2005.
Split into simpler sentences: It was originally published as five books by Headline Publishing Group between 1989 and 1992, followed by an omnibus edition by Trafalgar Square Publishing in 1992. The series was also re-published by Cosmos Books as "Morgan le Fay" in 2005.