There are 3 books in the I Shrunk My Best Friend! series.
The I Shrunk My Best Friend! series does not have a new book coming out soon. The latest book, Attack of the Big Little Sister (Book 3), was published in August 2017.
The first book in the I Shrunk My Best Friend! series, Ooops! I Shrunk My Best Friend!, was published in April 2017.
The I Shrunk My Best Friend! 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.