Andrew Klavan has recently added If We Survive to his books intended for younger readers. Amazon identifies it as part of the Homelanders series. It isn't. It is a stand-alone thriller like the earlier Crazy Dangerous — another that I found a very quick, and very good, read.
Here John J. Miller interviews the author about this book and a soon to be published thriller for adults. If you are the parent of an adolescent, you might consider Klavan's young adult books for Christmas. Miller interviewing Klavan:
Andrew Klavan: If We Survive - National Review Online