"Miss Nelson Is Missing!" by Harry Allard and James Marshall is a humorous and engaging juvenile fiction book published by HarperCollins in 1985. This trade paperback features 32 pages of entertaining stories centered around social themes, manners, and etiquette in a school setting. Illustrated by James Marshall, this book is sure to captivate young readers with its whimsical characters and relatable tales, making it a delightful addition to any children's book collection.