original: It is a rather short book, in both Jewish and Christian scripture, consisting of only four chapters.
simplifications: It is a rather short book consisting of only four chapters. It is a short book, in Jewish and Christian writings. It only has four chapters. There are only four chapters in Jewish and Christian books. It is a short book. In both Jewish and Christian scripture, it consists of only four chapters. In both Jewish and Christian scripture, it is a short book. It has just four chapters. It is a short book at only four chapters. It is in both Jewish and Christian scripture. This book is very short having only four chapters. The book is used in both Judaism and Christianity. It is a short book with only four chapters, It is a short book that has only four chapters. The book is short, just four chapters, both with Jewish and Christian writings.