I Am Princess X (2015) by Cherie Priest is a young adult graphic novel about May, a teenager who struggles with the loss of her best friend, Libby, after a tragic car accident. The two friends had created a superhero character named Princess X, which represented their hopes and adventures. Years later, May begins noticing Princess X imagery around Seattle and discovers a website featuring new Princess X stories. This sparks a quest to find Libby, as May believes her friend may still be alive. With the help of her friend Patrick, May follows clues that lead her to uncover a dark truth: Libby had been kidnapped by a man seeking to replace his deceased daughter. Through a series of daring efforts, May and Patrick reunite with Libby, using the unique bond they shared to overcome the villain. The novel explores the strength of female friendship and the power of creative collaboration, highlighting how shared experiences and secret languages can transcend tragedy.