karen is right; this book is buckets full of fun.
I loved it!
Yes you have to buy into the world building; this is a simple little YA story carrying a world of possibility.
If you can go with the flow you are going to love this. I did. A great rollicking reward of a read that is easy to climb into.
Go on ….take a dip, splash around and have some fun.
Cannot wait to get my hands, no eyes, on Insurgent.