Lisi Harrison has written forty YA and middle-grade novels including the #1 New York Times bestselling series The Clique, which has sold more than eight million copies, and the Monster High series. In 2021, Harrison launched two new middle-grade book series, Girl Stuff and The Pack. Lisi lives in California, and in addition to her work as an author, she is the cofounder of House of Thrive, a wellness center that teaches tweens, teens, and parents how to have healthy, drama-free friendships. Visit her at lisiharrison.com or Thrive@myhouseofthrive.com.

Daniel Kraus is a New York Times bestselling writer and coauthor of both Trollhunters and The Shape of Water with Guillermo del Toro. Kraus has won a Scribe Award, the Bram Stoker Award, and two Odyssey Awards, has had his work named as a Library Guild selection, a YALSA Best Fiction for Young Adults recipient, and more. His work has been translated into more than twenty languages. Daniel lives in Chicago. Visit him at danielkraus.com.