The End of the World series does not have a new book coming out soon. The latest book, The Girl at the Center of the World (Book 2), was published in August 2015.
The first book in the End of the World series, The Islands at the End of the World, was published in August 2014.
The End of the World 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.