In The Sassafras Science Adventures Volume Four Earth Science, the zip-lining science blows forward for Blaine and Tracey Sassafras!
You'll visit the plains of Oklahoma, mountains of Patagonia, and the Pacific Ocean as you read through the book. The twins will learn about the weather, natural cycles, and so much more from their fascinating local experts.
Don’t miss a minute of their summer-long zip line journey with their crazy Uncle Cecil!
