When Martha the talking dog learns that her person Helen's extended family is coming for Thanksgiving, she decides to invite her own long-lost mother and siblings. Each dog was adopted separately and Martha has no idea where the pups ended up, but with the help of her friend Kazuo at the shelter, she sets out to locate all seven of her brothers and sisters. When Thanksgiving day arrives, there is only one guest unaccounted for--Martha's mother! Can Martha and her friends find her in time for the family reunion? This chapter book based on the popular TV show Martha Speaksincludes a glossary and fun, festive activities!