Here's a list of 10 self-improvement books suitable for teenager

"The 7 Habits of Highly Effective Teens" by Sean Covey

"Mindset: The New Psychology of Success" by Carol S. Dweck

"How to Win Friends and Influence People for Teen Girls" by Donna Dale Carnegie

"Grit: The Power of Passion and Perseverance" by Angela Duckworth

"You Are a Badass: How to Stop Doubting Your Greatness and Start Living an Awesome Life" by Jen Sincero

"Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones" by James Clear

"The Power of Now: A Guide to Spiritual Enlightenment" by Eckhart Tolle

"Make Your Bed: Little Things That Can Change Your Life...And Maybe the World" by Admiral William H. McRaven

"Girl, Stop Apologizing: A Shame-Free Plan for Embracing and Achieving Your Goals" by Rachel Hollis

"The Subtle Art of Not Giving a F*ck: A Counterintuitive Approach to Living a Good Life" by Mark Manson