The Charlie and Frog series does not have a new book coming out soon. The latest book, The Boney Hand (Book 2), was published in May 2019.
The first book in the Charlie and Frog series, Charlie and Frog, was published in April 2018.
The Charlie and Frog series primarily falls into the Mystery genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.