A great big thank-you to those friends who read early drafts or acted as sounding boards or just generally offered a whole lot of wisdom and support throughout this process: Jenny Han, Kelly Mitchell, Sarah Mlynowski, Jenni Henaux, Lauren Graham, Morgan Matson, and Anna Carey.
And lastly, to Dad, Mom, Kelly, Errol, Andrew, and Jack: the best bunch of train enthusiasts I know.
Jennifer E. Smith is the author of eight novels for young adults, including Windfall and The Statistical Probability of Love at First Sight. She earned a master’s degree in creative writing from the University of St. Andrews in Scotland, and her work has been translated into thirty-three languages. She lives in New York City. Follow her on Twitter at @JenESmith or visit her at jenniferesmith.com.