Derived from the Finnish word sisus, which refers to the internal organs (the guts), the ancient word sisu describes an attitude of bravery, resilience, stoicism, perseverance and determination in the face of adversity. It is a key psychological competence that enables extraordinary action to overcome a physically or mentally challenging situation. To have sisu confers a further dimension of doing so with honesty, integrity and humility.

The book will teach how the Finnish concept of sisu can help you to:

- Make courageous decisions
- Take action against the odds
- Cultivate resilience
- Overcome failure
- Manage stress in difficult circumstances
- Embrace change
- Take on new challenges
- Tap into mental strength
- Prevent doubt, nerves and self-criticism from holding you back
- Overcome limiting beliefs
- Replace negative thinking with positivity
- Achieve your goals
- Live the good life