In this special 200th episode and final wrap-up of the “Alphabet of Happiness – 26-day challenge,” Klaudia Mitura celebrates the completion of the 26-day happiness boost and thanks listeners for joining the journey. Whether you tuned in for one episode or all twenty-six, Klaudia hopes you feel inspired and empowered to bring more happiness into your life. In this milestone episode, she recaps all 26 science-backed principles from A to Z, giving you a complete happiness toolkit to support your journey ahead. Don’t miss this uplifting finale and the celebration of 200 episodes! Get involved: ⭐ Get a quick summary of each happiness principle—follow along as we reveal a new letter every day! 📨 Subscribe to the Substack newsletter for exclusive insights and updates: https://thehappinesschallenge.substack.com/ 🎉 Register for the big book launch party at the Science Museum, London, on 31st October. https://thehappinesschallenge.co.uk/book (TONIGHT!) 📚 Can’t wait? Grab your own copy now from Amazon, Guardian Bookshops, Blackwells, Waterstones, and more. https://thehappinesschallenge.co.uk/book