The story of clocks and calendars : marking a millennium /
by Betsy Maestro ; illustrated by Giulio Maestro.
- New York : Lothrop, Lee & Shepard, 1999.
- 48 p. : col. ill.
Discusses the year 2000 as a milestone marking two thousand years of human achievement, as a threshold leading into a new millennium, and as an important anniversary of the birth of Jesus Christ.