A beautifully illustrated look at the concept of time - throughout time! What is time? When did we first use it? Does it always work? How do animals tell time? A fun and fascinating look at time from the first calendars and clocks to the GPS watches and precise time-keeping methods of today. When we started measuring it, dividing it up, what early ideas of time were and what it means to us right now - all the answers are here in this original and unique look at time throughout history.