Revenge, something we all crave at some point in our lives... fortunately for the world, we don't often do anything about it. Here's a fascinating set of stories about people who did do something about it, horribly, fatally, bloodily... it's a great read - as all Thirteen anthologies are - and the next time someone offends you, it will be one way of getting your own back, imagining them caught up in one of these horror stories