The Time Surfers series does not have a new book coming out soon. The latest book, Doom Star (Book 8), was published in August 1997.
The first book in the Time Surfers series, Space Bingo, was published in March 1996.
The Time Surfers series primarily falls into the General Fiction genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.