The tenth book in the Dance Class graphic novel series! The dress sewn by seamstress Nathalia for the titular "The Snow Queen" is stunning. She really outdid herself for the performance. But the signature dress disappears overnight! The whole Dance Class is on edge and blames Carla for the mysterious disappearance. She will do anything to find that dress and prove her innocence. With many false leads, and without the help of her friends Julie, Alia, and Lucie who are busy rehearsing for the upcoming ballet recital, Carla must be the Snow Queen AND the Detective Queen to save the show.