Math Girls
 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: Random Selection Algorithms in 2011. As of December 2010 the series had sold over 100000 books in Japan.