Sarah Mlynowski is the New York Times bestselling author of the Whatever After series, the Magic in Manhattan series, Gimme a Call, and a bunch of other books for tweens and teens, including the Upside-Down Magic series, which she is cowriting with Lauren Myracle and Emily Jenkins. Originally from Montreal, Sarah now lives in the kingdom of Manhattan with her very own prince charming and their fairy-tale-loving daughters. Visit Sarah online at www.sarahm.com and find her on Instagram, Facebook, and Twitter at @sarahmlynowski.Lauren Myracle is the New York Times bestselling author of many books for young readers, including the Winnie years (which begins with Ten), the Flower Power series (which begins with Luv Ya Bunches), and the Life of Ty series. She would like to be a Fuzzy so she could talk to unicorns and feed them berries. You can find Lauren online at www.laurenmyracle.com.Emily Jenkins is the author of many chapter books, including the Toys trilogy (which begins with Toys Go Out) and the Invisible Inkling series. Her picture books include Lemonade in Winter, Toys Meet Snow, and The Fun Book of Scary Stuff. She would like to be a Flare and work as a pastry chef. Visit Emily at www.emilyjenkins.com.