Author: J.A. Thorpe
"Elementary Topics in Differential Geometry" by J.A. Thorpe is a clear and accessible introduction to differential geometry for undergraduate students. It covers fundamental concepts like vector fields, tangent spaces, curvature, geodesics, and the Gauss-Bonnet theorem with an emphasis on intuitive understanding. The book includes plenty of examples and exercises to help students grasp complex ideas. It serves as a solid foundation for further study in geometry and its applications in physics and mathematics.