There are 2 books in the Halo Hattie's Boarding House series.
The Halo Hattie's Boarding House series does not have a new book coming out soon. The latest book, Raising Cain... and His Sisters (Book 2), was published in June 1999.
The first book in the Halo Hattie's Boarding House series, Say Uncle...and Aunt, was published in June 1998.
The Halo Hattie's Boarding House series primarily falls into the Christian genre.