What Can Circles Be? (English Edition) - Ricci, Karina

2013: The Year I went in Circles (English Edition) - Meyer, Daniel

Euclidean Geometry: A Guided Inquiry Approach (MSRI Mathematical Circles Library Book 9) (English Edition) - Clark, David

The Vulture Circles (English Edition) - Gallagher, Chris

Endless Perfect Circles: Lessons from the little-known world of ultradistance cycling (English Edition) - Walker, Ian