Telling Time

A group of young space travelers can't wait for their pizza party later, but how many hours away is dinner? What are hours anyway?

Readers follow along as a loveable crew of kid astronauts and their Martain friends go about their daily routine, exploring the differences between seconds, minutes, and hours; what A.M. and P.M. mean; and how to tell time on both digital and analog clocks. Ten seconds to liftoff! Are you ready?


Veteran children's nonfiction author David Adler incorporates math co...