Anna has learned a lot about how to be a good friend and now that her family has adopted a baby girl from China, she is discovering how to be a good big sister. When the doctor says the baby isn't thriving, Anna's science fair project could make all of the difference. In this heart-warming sequel to The Year of the Book, readers will be just as moved by Anna's devotion to her new sister as they will be inspired by her loving family and lasting friendships.