In The Sassafras Science Adventures Volume Five: Geology, the zip-lining science adventure rolls on for Blaine and Tracey Sassafras!
The twins and your students will learn about rocks, fossils, maps, and more as they zip around the globe visiting the Norwegian countryside, the ice of Antarctica, and a deep, dark cavern in Australia!
Don’t miss a minute of their summer-long zip line journey with their crazy Uncle Cecil!
