Justine Larbalestier is an Australian young-adult fiction author. She is best known for the Magic or Madness trilogy: Magic or Madness, Magic Lessons and the newly released Magic's Child. She also wrote one adult non-fiction book, the Hugo-nominated The Battle of the Sexes in Science Fiction (Best Related Book, 2003), and edited another, Daughters of Earth: Feminist Science Fiction in the Twentieth Century. Her surname has been pronounced in several different ways, but the FAQ on her website says that Lar-bal-est-ee-air is correct: Q: How do you pronounce your surname? A: Lar-bal-est-ee-air. It can also be pronounced Lar-bal-est-ee-ay or Lar-bal-est-ee-er. Those are all fine by me. Friends at school used to pronounce it: Lavaworm. I have to really like you to let you get away with that one, but. Larbalestier was born and raised in Sydney, Australia. She now alternates living between Sydney and New York City. In 2001, Justine married fellow author Scott Westerfeld.

Laurie Faria Stolarz grew up in Salem, MA, attended Merrimack College, and received an MFA in Creative Writing from Emerson College in Boston. Laurie Faria Stolarz is an American author of young adult fiction novels, best known for her Blue is for Nightmares series. Her works, which feature teenage protagonists, blend elements found in mystery and romance novels. Stolarz found sales success with her first novel, Blue is for Nightmares, and followed it up with three more titles in the series, White is for Magic, Silver is for Secrets, and Red is for Remembrance, as well as a companion graphic novel, Black is for Beginnings. Stolarz is also the author of the Touch series (Deadly Little Secret, Deadly Little Lies, Deadly Little Games, Deadly Little Voices, and Deadly Little Lessons), as well as Bleed and Project 17. With more than two million books sold worldwide, Stolarz's titles have been named on various awards list.

GABRIELLE ZEVIN is a New York Times best-selling novelist whose books have been translated into forty languages. Her tenth novel, Tomorrow, and Tomorrow, and Tomorrow was published by Knopf in July of 2022 and was an instant New York Times Best Seller, a Sunday Times Best Seller, a USA Today Best Seller, a #1 National Indie Best Seller, and a selection of the Tonight Show’s Fallon Book Club. Maureen Corrigan of NPR’s Fresh Air called it, “a big beautifully written novel…that succeeds in being both serious art and immersive entertainment.” Following a twenty-five-bidder auction, the feature film rights to Tomorrow, and Tomorrow, and Tomorrow were acquired by Temple Hill and Paramount Studios. She is currently writing the screenplay. The Storied Life of A.J. Fikry spent many months on the New York Times Best Seller List, reached #1 on the National Indie Best Seller List, was a USA Today Best Seller, and has been a best seller all around the world. A.J. Fikry was honored with the Southern California Independent Booksellers Award for Fiction, the Japan Booksellers’ Prize, and was long listed for the International Dublin Literary Award, among other honors. To date, the book has sold over five-million copies worldwide. It is now a feature film with a screenplay by Zevin. Young Jane Young won the Southern Book Prize and was one of the Washington Post’s Fifty Notable Works of Fiction. She is the screenwriter of Conversations with Other Women (Helena Bonham Carter) for which she received an Independent Spirit Award Nomination for Best First Screenplay. She has occasionally written criticism for the New York Times Book Review and NPR’s All Things Considered, and she began her writing career, at age fourteen, as a music critic for the Fort Lauderdale Sun-Sentinel. Zevin is a graduate of Harvard University. She lives in Los Angeles. NOTE: Apologies, but Gabrielle doesn't reply to messages on Goodreads.

Scott Westerfeld is a New York Times bestselling author of YA. He is best known for the Uglies and Leviathan series. His current series, IMPOSTORS, returns to the world of Uglies. The next book in that series, MIRROR'S EDGE, comes out April 6, 2021.

Melissa Marr is a former university literature instructor who writes fiction for adults, teens, and children. She is best known for the Wicked Lovely series for teens, the Graveminder for adults, and her debut picturebook Bunny Roo, I Love You. Her books have been translated into twenty-eight languages and been bestsellers internationally as well as domestically (NY Times, Los Angeles Times, USA Today, and Wall Street Journal).Accolades include starred reviews on numerous books, YALSA Popular Paperbacks, IRA Notable Book Pick, Book Sense Pick (YA and adult), Good Morning America Summer Pick for Teens, Scottish Book Trust, Red Maple finalist (in both Ontario and Manitoba), and Goodreads Good Choice Award (Horror), RWA RITA award (YA). She also write romance for adults as Ronnie Douglas. She co-authored (with Kelley Armstrong) a MG trilogy as M.A. Marr. In addition to novels, Melissa has co-edited several anthologies, as well as published short fiction, manga, and prose non-fiction. She currently lives with her family in Arizona.