Did you know there is a mathematical curve called the Witch of Agnesi? The curve’s name inspired both the title and the protagonist of this novel. Inspired by scientists & mathematicians from various eras, this novel weaves mathematics, magic, & history into a medieval fantasy setting; i.e., Pyt...

Seira Ito Fotiou, a hafu (half-Japanese) girl, lives a seemingly normal life from childhood through school, college, and work. However, Seira has no idea that a life choice at the age of eight, a life choice during her final years of high school, and the career she chooses will have a profound im...