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.

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.

Five volumes of inspirational thoughts for each day of the year. These books are a classic reprint of a long-time bestseller.