In this best-selling Jitters series book, Mrs. Hartwell plans the perfect Valentine's Day party for her class. But everyone's favorite teacher has the jitters again! Sarah Jane Hartwell is determined to host the perfect Valentine's Day party to show her students how much she cares. But no matter how hard she tries, nothing goes according to plan. From pin-the-smile-on-the-teacher to crafts with glitter, glue, ribbons, and lace, the class quickly devolves into chaos. Mrs. Hartwell feels like the event is a disaster, but the students have a great time! Not only do they already know that she cares, it turns out they care a lot about her as well.