I really liked this one. I'll be continuing the series. It's about a bunch of kids, everyone is under age 14 being the only ones left in their reality. So all the grownups are gone and weird things are happening. Some of the kids have powers. There's an evil darkness. The animals are evolving. They have to figure out normal survival things like finding food and taking care of the babies. They also have the mutations to deal with. Everything is more deadly. I would say this is YA dystopian and a bit horror-ish.