What does "toughness" mean to you? Perhaps it's being physically fit and mentally resilient. Perhaps it's doing something no one else has done before. Perhaps it's breaking down boundaries and proving what you can do, in spite of the naysayers.

Perhaps it's travelling alone, immersing yourself in new cultures and meeting new people. Perhaps it's running ultramarathons in the blistering heat and beating the competition. Perhaps it's conquering your fears.

The badass adventurers in this collection are all fearless, intelligent, compassionate and curious about the world - and they all happen to be female. From endurance obstacle races to arctic expeditions, from mountain climbing to wingsuit flying, from horse trekking to swimming the English Channel, they have set the bar high for what women are capable of. Let yourself be inspired by their stories of grit, courage, determination, triumph and heartbreak - you never know, it might lead to something incredible!