The Jelly That Wouldn't Wobble by Angela Mitchell is a whimsical and entertaining picture book that tells the story of a stubborn jelly at a royal party. The highlight of the party is meant to be a magnificent jelly dessert, which everyone expects to wobble beautifully. However, when the time comes, the jelly refuses to wobble, much to everyone's surprise and dismay. As the guests and staff become more desperate, the situation becomes increasingly hilarious, with everyone offering their own outlandish solutions. In the end, it’s a simple, unexpected action that finally gets the jelly to wobble, delighting Princess Lolly and her guests.