Can you really color any map with only four colors so that no country shares a border with a country of the same color? Find out in Veritas Journal’s first book recommendation!
Four Colors Suffice: How the Map Problem Was Solved (Book Recommendation)
It is a simple problem. How many colors are needed to color any map (real or imaginary) such that any country is always colored differently than any neighbor with whom it shares a border? The answer is also simple. Four colors suffice. Discounting parts of a country entirely separated from each othe…