In this small book, I provide a comprehensive summary of the discussion on the Epicurean critique of mathematics and in particular of Euclid’s geometry. I examine the methodological critique of the Epicureans on mathematics and I assess whether a "mathematical atomism" was proposed, and carefully consider its implications. Finally, I examine the Epicurean philosophical stance on mathematics and evaluate whether it was on target or not. This book stands alone as a short analysis of the Epicurean critique of Euclid’s geometry, though it could easily serve as a companion book to a textbook on ancient Greek...