books.google.com - Here is the first modern introduction to geometric probability, also known as integral geometry, presented at an elementary level, requiring little more than first-year graduate mathematics. Klein and Rota present the theory of intrinsic volumes due to Hadwiger, McMullen, Santaló and others, along with...https://books.google.com/books/about/Introduction_to_Geometric_Probability.html?id=Q1ytkNM6BtAC&utm_source=gb-gplus-shareIntroduction to Geometric Probability