The Kiss Quotient is a workplace romance novel written by Helen Hoang. It centers around Stella Lane, a brilliant mathematician with Asperger's syndrome, who hires an escort named Michael Phan to help her improve her dating skills. As they spend more time together, their professional arrangement turns into a genuine connection filled with passion and understanding. The Kiss Quotient is a heartwarming and steamy workplace romance that explores themes of self-discovery, acceptance, and love.