Many of us believe it’s always wrong, and bad for us, to hold a grudge. But what if our grudges, when handled correctly, can be positively good for us and for others? What if grudges are actually great — not a cause for guilt, but exactly what we need to lead a happier, safer, more fulfilled life? Join internationally bestselling crime writer and grudge-holder extraordinaire Sophie Hannah to find out all about the power of grudges to transform your life for the better and to make the world a more peaceful and compassionate place.