Pithy Books: math https://pithybooks.com/tags/math/ Latest Pithy Books summaries tagged “math”. en Fri, 02 Oct 2026 18:12:11 GMT An Abundance of Katherines by John Green: summary https://pithybooks.com/books/an-abundance-of-katherines/ https://pithybooks.com/books/an-abundance-of-katherines/ Tue, 29 Sep 2026 00:00:00 GMT Colin, dumped by his nineteenth Katherine, road-trips to Gutshot with Hassan and tries to turn heartbreak into math.