The Henry Huggins series does not have a new book coming out soon. The latest book, Henry and the Paper Route (Book 5), was published in June 1957.
The first book in the Henry Huggins series, Henry Huggins, was published in January 1950.
The Henry Huggins series primarily falls into the General Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.