By drawing attention to the numerous connecting paths that existed between calendars and mathematical astronomy between the Fall of Rome and the end of the fifteenth century, the volume offers substantial new insights on the place of exact ...

Now in a deluxe collector's edition, this unabridged classic is bound in a handsome burgundy finish with gold stamping and spine hubs.

This translation of the full text of The Reckoning of Time includes an extensive historical introduction and a chapter-by-chapter commentary.

For those who have known and loved these works in the past, this is an invitation to reunite with old friends in a fresh new format.

History of calendars. The Millenium - do we have the correct date? Why do we celebrate Easter Sunday when we do? Find out in this book.