The Art of Fine Gifts: Enjoy the countdown to Christmas! Open a numbered window every day in December until the big day and reveal a seasonal sticker to help you get in the festive spirit! This advent calendar is a delight for adults and children with its sparkling glittered cover.About the Author: Designed and developed at Flame Tree Publishing, independent publisher and creator of fine, illustrated books, journals, notebooks, jigsaw puzzles and art calendars.