Marking Time: The Epic Quest to Invent the Perfect Calendar

If you lie awake worrying about the overnight transition from December 31, 1 b.c., to January 1, a.d. 1 (there is no year zero), then you will enjoy Duncan Steel's Marking Time.—American Scientist

""No book could serve as a better guide to the cumulative invention that defines the imaginary threshold to the new millennium.""—Booklist

A Fascinating March through History and the Evolution of the Modern-Day Calendar . . .

In this vivid, fast-moving narrative, you'll discover the surprising story ...