Math Girls (数学ガール, Sūgaku gāru) is the first in a series of math-themed young adult novels of the same name by Japanese author Hiroshi Yuki. It was published by SoftBank Creative in 2007, followed by Math Girls: Fermat's Last Theorem in 2008, Math Girls: Gödel's Incompleteness Theorems in 2009, and Math Girls: Randomized Algorithms in 2011. As of December 2010, the series had sold over 100,000 books in Japan. On November 23, 2011, an English translation of the book was released by Bento Books, who subsequently released translations of Fermat's Last Theorem (ISBN 978-0983951339) and Gödel's Incompleteness Theorems (ISBN 978-1939326294) on December 5, 2012, and April 25, 2016, respectively. Source: Wikipedia (en)