Titles in This Set: Ten Times Happier: A Guide on How to Let Go of What's Holding You Back – Owen O'Kane Quiet: The Power of Introverts in a World That Can't Stop Talking – Susan Cain Condition: New Format: Paperback ISBN: 9780008378264 (Ten Times Happier) / 9780141029191 (Quiet) Publisher: HQ, HarperCollins (Ten Times Happier); Penguin Books (Quiet) Age Range: Adult (18+) Overview This two-book paperback collection pairs two Sunday Times bestsellers on mind and personality. Owen O'Kane's Ten Times Happier offers a practical, therapist-led guide to letting go of unhelpful thought patterns, while Susan Cain's Quiet reveals the hidden power of introverts in a world built for extroverts. Together they form an evidence-based toolkit for understanding yourself and living with greater calm and confidence, making this set an excellent gift or personal-growth starter library. About the Books In Ten Times Happier, psychotherapist and former NHS Clinical Lead Owen O'Kane draws on 25 years of clinical experience to identify ten key areas where we all overthink or self-sabotage – from dwelling on the past to managing other people's expectations. Using tools from CBT, mindfulness and interpersonal therapy, he offers clear strategies for building lasting resilience. Quiet, Susan Cain's landmark bestseller, challenges the modern obsession with extroversion, arguing that at least a third of us are introverts, and that many of history's most creative people – from the inventor of the Apple computer to Van Gogh – drew strength from their quieter nature. Drawing on psychology, neuroscience and real-life stories, she shows how society undervalues introverts and gives readers tools to embrace their own temperament. Both books are widely praised for being rigorously researched yet accessible. Read separately or together, they offer complementary perspectives on self-understanding: one on breaking free of unhelpful mental habits, the other on celebrating an overlooked personality type. Two Sunday Times bestselling self-help and psychology titles in one set Written by a respected NHS psychotherapist and an acclaimed psychology author Evidence-based tools drawn from CBT, mindfulness and neuroscience Ideal gift for anyone interested in personal growth or understanding personality Brand new paperback copies, ready to read straight away Ships fast with free UK delivery from LetsBuyBooks About the Authors Owen O'Kane is a psychotherapist and former NHS Clinical Lead with over 25 years' experience in physical and mental health, and the Sunday Times bestselling author of Ten to Zen. Susan Cain is the New York Times and Sunday Times bestselling author of Quiet, which has sold over two million copies and been translated into more than thirty languages; her related TED talk has been viewed tens of millions of times worldwide. Why You'll Love This Set Two acclaimed, life-changing reads in one bundle – practical therapy tools alongside a fresh understanding of personality. Perfect for self-improvement, gifting, or simply a calmer, more confident you. Please Note: The individual books in this set will be dispatched as per the original UK ISBN and UK edition cover as shown.