"The Kiss Quotient" is a contemporary romance novel by Helen Hoang that follows the story of Stella Lane, a successful woman with Asperger's syndrome. Struggling with dating and relationships, she decides to hire an escort, Michael, to help her gain more experience in romantic situations. As Stella and Michael spend time together, they develop a deeper connection that challenges their initial arrangement. The novel explores themes of love, acceptance, and personal growth, highlighting the importance of understanding and embracing one's unique traits in the pursuit of happiness.