There are 2 books in the Interstellar Patrol series.
The Interstellar Patrol series does not have a new book coming out soon. The latest book, The Federation of Humanity (Book 2), was published in March 2005.
The first book in the Interstellar Patrol series, Interstellar Patrol, was published in April 2003.
The Interstellar Patrol series primarily falls into the Space Opera and Science Fiction genres.