The Beth Carew series does not have a new book coming out soon. The latest book, The Copy Cat Mystery (Book 2), was published in February 1990.
The first book in the Beth Carew series, The Cat Sitter Mystery, was published in January 1986.
The Beth Carew series primarily falls into the Mystery genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.