'Clear, thoroughly researched and well-written. Please read it before you buy another self-help book' - Barry Schwartz, author of The Paradox of Choice'A powerful toolkit that you can use for whatever challenges life has thrown at you' - Annie Duke, author of Quit'This is the mother of all self-help books! Spencer and Jeremy have ingested a library's worth of advice books and given us the evidence-based ones that actually work' - AJ Jacobs, author of The Year of Living Biblically'The most thoughtful and comprehensive self-help book I've ever read - written with empathy and clarity' - Seth Stephens-Davidowitz, author of Everybody Lies------The world of self-help is overflowing with advice, but you don't have to drown in it...Experts Spencer Greenberg and Jeremy Stevenson have done the work so you don't have to.After analysing more than 100 self-help books and 23 different therapies, they uncovered ahidden truth: all effective self-help techniques collapse into just 12 high-level approaches.Now, they've distilled those proven methods into a single, actionable guide: The 12 Levers.Stripped of trends, fads and confusing jargon, The 12 Levers hands you the exact tools you need to navigate life's challenges. You will discover how to:Find your direction by clarifying your intrinsic valuesConquer fear with the most scientifically validated anxiety approach in the worldFix your sleep using the most effective techniques from top sleep therapistsMaximise your downtime with fulfilling 'glad-you-did-it' activitiesGet more done by understanding 'The Productivity Equation'Break the cycle of self-consciousness using the 'Attention Training Technique'Intuitive and easy to implement, The 12 Levers isn't just another self-help theory - it's your complete psychological toolkit for a better life.