Sonlight Book of Time Author:Sonlight Curriculum Printed on heavy paper stock, the Book of Time provides space for recording events from 5000 BC to the present. And it's logically proportioned, too. You have the space where you need it, and not too much space where you don't: Two pages per century from 5000 BC to 200 BC; four pages per century from 200 BC to 1450 AD; eight pages per century... more » from 1450 to 1850; and twenty pages per century (two pages for every ten years) from 1850 to 2050.« less