Simplify the following text for a Grade 8 native English-speaking person.
Original: This is the reason chapters in recent reproductions and translations of works of these periods are often presented as `` Book 1 '' , `` Book 2 '' , etc.
Simplified: This is the reason chapters in recent reproductions and translations of works of these periods are often presented as `` Book 1 '' , `` Book 2 '' , etc. ( such as the books of the Bible ) .