One Hundred Proofs that the Earth is Not a Globe was written and self-published by William M. Carpenter in 1885. However, Chris found this on a homeschooler’s Twitter page where it was recommended for teaching children in 2023, so we figured it was worth a review.

Folding Ideas:

In Search of a Flat Earth

Science of Our Spherical Earth:

Neil deGrasse Tyson Demonstrates Absurdity of Flat Earth

Dave Explains: The Earth is Definitely Not Flat

Dave Explains: The 10 Things That All Flat Earthers Say

Wikipedia: Empirical Evidence for the Spherical Shape of Earth