The Little Thieves series does not have a new book coming out soon. The latest book, Painted Devils (Book 2), was published in May 2023.
The first book in the Little Thieves series, Little Thieves, was published in October 2021.
The Little Thieves series primarily falls into the Action Adventure, Dark Fantasy and Heroic Fantasy / Sword & Sorcery genres. This young adult series was written for ages 12-17, but can be enjoyed by adults too.