Love Triangle Books

Allen Lane

Love Triangle: The Life-changing Magic of Trigonometry

Riverhead Books

Love Triangle: How Trigonometry Shapes the World

Inkitt

Three. The Perfect Number (Book 1) - The Galatea Love Triangle Sensation

Love Triangle Book 1 (English Edition)          

Balzer + Bray

Love, Triangle: A Valentine's Day Book For Kids  

Love Triangle Book 3 (English Edition)          

Love Triangle Book 2 (English Edition)          

Love Triangles: Books that explore the complexities of relationships involving three characters, each with their own desires and conflicts. (English Edition)

Victor Books

The Love Triangle: Sex, Dating, and Love        

Foblit ltd

Matt Parker Collection 2 Books Set (Love Triangle & Humble Pi)