Mental Fitness, 15 Rules to Strengthen Your Body and Mind, HarperCollins Publishers, Ant Middleton,Assertiveness, motivation & self-esteem,Popular psychology, mental;psychological;physical;fitness;strength;health;how to;beat;overcome;become;be;truth behind;improve;strong;healthy;anxiety;depression;fear;confident;confidence;push yourself;comfort zone;focus;discipline;work ethic,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukmental;psychological;physical;fitness;strength;health;how to;beat;overcome;become;be;truth behind;improve;strong;healthy;anxiety;depression;fear;confident;confidence;push yourself;comfort zone;focus;discipline;work ethic, [BLURB],[CITY],,books, ebooks, biblet, Book2look