There are 4 books in the Down Girl and Sit series.
The Down Girl and Sit series does not have a new book coming out soon. The latest book, Bad to the Bone (Book 4), was published in December 2008.
The first book in the Down Girl and Sit series, Smarter than Squirrels, was published in October 2004.
The Down Girl and Sit series primarily falls into the Action Adventure genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.