The 100 Hours series does not have a new book coming out soon. The latest book, 99 Lies (Book 2), was published in July 2018.
The first book in the 100 Hours series, 100 Hours, was published in April 2017.
The 100 Hours series primarily falls into the Action Adventure genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.