There are 20 books in the Young Cam Jansen series.
The Young Cam Jansen series does not have a new book coming out soon. The latest book, Young Cam Jansen and the Knock Knock Mystery (Book 20), was published in May 2014.
The first book in the Young Cam Jansen series, Young Cam Jansen and the Chocolate Chip Mystery // Young Cam Jansen and the Missing Cookie, was published in January 1996.
The Young Cam Jansen series primarily falls into the Mystery genre. This series was written for ages 5-7 and is a good choice for children just learning to read.