In this charming picture book by Debora Pearson, a young student arrives for the first day of school only to find a substitute teacher. Where could her real teacher be? The book follows the children as their imaginations run wild, inventing fantastical and hilarious scenarios—from fighting dragons to joining the circus. This story beautifully captures childhood anxiety about the unknown and provides a comforting, humorous, and relatable resolution, making it a perfect read for young children facing the jitters of a new school year or unexpected changes.