The Pikachu's Tale series does not have a new book coming out soon. The latest book, Journey to the New World (Book 3), was published in January 2017.
The first book in the Pikachu's Tale series, Nobody's Pikachu, was published in January 2017.
The Pikachu's Tale 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.