Flow: The Psychology of Optimal Experience (Harper Perennial Modern Classics)

Francesc Miralles Ikigai: The Japanese Secret to a Long and Happy Life

Daniel Kahneman Thinking, Fast and Slow

Mihaly Csikszentmihalyi Creativity: Flow and the Psychology of Discovery and Invention

Daniel Kahneman Thinking, Fast and Slow

Anthony Raymond Ikigai & Kaizen: The Japanese Strategy to Achieve Personal Happiness and Professional Success (How to set goals, stop procrastinating, be more productive, build good habits, focus, & thrive)