Abby Hunter plans a birthday cake her brother will never forget. Will she be able to keep it a secret from him? Or will her little sister's big mouth get in the way?As the party day nears, Abby's best friend, Stacy Henry, needs help solving a family mystery. Abby goes broke playing detective. Then, one after another, the Cul-de-sac Kids break out with the chicken pox! What could be worse?Beverly Lewis is author of Mountain Bikes and Garbanzo Beans and The Six-Hour Mystery, as well as the Holly's Heart series. She has published short stories in many magazines. Beverly lives with her family and Cuddles, their cockapoo, near her favorite Colorado mountain, Pikes Peak.Barbara Birch illustrates books from her home in Colorado Springs, where she lives with her husband and daughter.