There are 2 books in the Rules for Thieves series.
The Rules for Thieves series does not have a new book coming out soon. The latest book, The Shadow Thieves (Book 2), was published in June 2018.
The first book in the Rules for Thieves series, Rules for Thieves, was published in June 2017.
The Rules for Thieves series primarily falls into the Action Adventure genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.