Mapping time : the calendar and its history /
E.G. Richards.
- xxi, 438 pages : illustrations ; 24 cm
Includes bibliographical references (pages 411-428) and index.
The calendar in theory -- The calendars of the world -- Calendar conversions -- Easter -- Appendices.
With background history on astronomy and the history of writing and counting as well as methods for converting dates in one calendar to another, this volume provides a useful overview of how calendars were invented and their subsequent development.