67 strange and wonderful creatures
from the fossil record,
arranged on sea, land and sky

Animal names with pronunciation guides

Bubble quote for each creature

A time “ruler” measuring
from 600 million years ago to today
in 20 million year steps

12 geologic periods
with pronunciation guides

Six mass extinctions

Storybook narrative of major events
during each geologic period

Simple thoughts about evolution
from “Charlie” Darwin throughout

Footprints for kids to follow, walking through time at 40 million years per step.