What significance did the Chinese ceramic figure of a green cat hold in the mind of old Mrs. Wallenstein, their neighbor, wondered Andy, Adrian, Jill and Carol, the four children of Roger Dallas and Emily, his new wife. As the boys and girls solve the mystery they find unity as a family. San Francisco sets the stage for a good family mystery story with a credible plot which takes the reader into the past to China. - Kirkus Reviews [https://www.kirkusreviews.com/book-reviews/phyllis-a-whitney-2/mystery-of-the-green-cat/]