Maureen Johnson is the #1 New York Times and USA Today bestselling author of nineteen young adult novels, including the Truly Devious series, the Shades of London series, Suite Scarlett, and 13 Little Blue Envelopes. Her collaborative books include Ghosts of the Shadow Market (with Cassandra Clare), Your Guide to Not Getting Murdered in a Quaint English Village (illustrated by Jay Cooper), as well as Let It Snow (with John Green and Lauren Myracle), which was also a hit feature film on Netflix. Her books have sold more than three million copies worldwide and have been published in more than thirty countries. She has been nominated for two Edgar Awards, a Bram Stoker Award, a Nebula Award, was a World Book Day author in the UK in 2014, and has been nominated for or won dozens of YALSA, state library, media and readers' choice awards. She lives in New York City.