The 4 for 4 series does not have a new book coming out soon. The latest book, Take Your Best Shot (Book 4), was published in March 2012.
The first book in the 4 for 4 series, Top of the Order, was published in March 2009.
The 4 for 4 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.