Juan Calle founded Liberum Donum Studios (Bogotá, Colombia) which works on TV, film, and video games. Juan created the children's book Good Dream, Bad Dream and illustrated The Year of the Rooster and The Asian Hall of Fame series: The Discovery of Ramen, The Discovery of Fireworks & Gunpowder and The Discovery of Anime & Manga.
Serena Valentino is best known for weaving tales that combine mythos and guile with her work on the comic book series GloomCookie and Nightmares & Fairy Tales, and her bestselling “Serena Valentino’s Villains” series published by Disney, which have earned her critical acclaim for her unique style of storytelling, bringing her readers into exquisitely frightening worlds filled with terror, beauty and extraordinary protagonists. There are currently six books in her Disney series: Fairest of All, The Beast Within, Poor Unfortunate Soul, Mistress of All Evil, Mother Knows Best, The Odd Sisters, and her forthcoming novel about Cruella De Vil, Evil Thing debuts July 7, 2020.