Take a trip through 70 million years of history from the day of the dinosaurs to the migration of North America’s animals across the Bering Land Bridge. Ages 5 and up.
About Shelley Gill
SHELLEY GILL was the fifth woman to complete the Iditarod race. When she’s not writing, Shelley travels to schools around the country where she covers a variety of topics–from whale watching to where her ideas come from. Gill was a… More about Shelley Gill