Mona Gray is a 20-year-old loner who turned to math for salvation as a child after her father became ill. As an adult she now teaches the subject and helps her students through their own cri... Read allMona Gray is a 20-year-old loner who turned to math for salvation as a child after her father became ill. As an adult she now teaches the subject and helps her students through their own crises.Mona Gray is a 20-year-old loner who turned to math for salvation as a child after her father became ill. As an adult she now teaches the subject and helps her students through their own crises.