"Henry's Awful Mistake" by Robert Quackenbush is a vintage children's picture book published in 1980 by Parents Magazine Press. The book features illustrated narrative fiction with a vintage feel, making it a nostalgic addition to any child's bookshelf. With a focus on ages 2-12, this book is sure to entertain young readers with its charming story and delightful illustrations by the author himself. Perfect for introducing children to the joys of reading, this hardcover book is a timeless classic from the 1980s.