The Best Mystery Subscription Boxes If you're a fan of mystery or suspense novels, you can step into one and become a detective yourself with one of these mystery subscription boxes. Here, you'll find a series of mystery subscriptions that revolve around crimes or adventures that are up to you to solve. Perfect for game night or for those looking to keep their skills sharp, each of these mystery bundles keeps the fun coming all year long.  Whether you're up for unlocking mysteries revolving around actual historical events or want to try your hand at catching a serial killer, one of these...