Joanna Hall's "Body Blitz" should help everyone build better fitness and lose fat fast: no carbohydrates after 5pm; eat the right balance of foods; increase water intake to 2 litres a day; follow the basic exercise programme and follow the 80/20 rule - be consistent 80% of the time and you will succeed. This strategy succeeds because it accommodates a range of lifestyles and social scenarios. She gives tips and case studies as well as numerous recipes and snack ideas.