John Green is the New York Times bestselling author of Looking for Alaska, An Abundance of Katherines, Paper Towns, The Fault in Our Stars, and Turtles All the Way Down. Visit John online at johngreenbooks.com or on Twitter @johngreen.

Maureen Johnson is the New York Times and USA Today bestselling author of several YA novels, including 13 Little Blue Envelopes, Suite Scarlett, The Name of the Star, and Truly Devious. Visit Maureen online at maureenjohnsonbooks.com or on Twitter @maureenjohnson.

Lauren Myracle is the author of many popular books for teens and tweens, including Shine; Kissing Kate; Peace, Love, and Baby Ducks, the Winnie Years series, and New York Times bestsellers ttyl and ttfn. Visit Lauren online at laurenmyracle.com or on Twitter @laurenmyracle.