Cut-outs and pop-ups in children’s books are common to see now, but in her day, Margaret pushed the boundaries of children’s publishing. Margaret and her publishers often thought of clever features to add to a book and Don’t Frighten the Lion! came with a paper cut-out of the story’s main character, a little dog who wanted to go to the zoo but wasn’t allowed in. The paper dog could be dressed in a straw hat, sunglasses, a floral dress and gloves, the disguise the dog used to get past the zoo’s guard.