Self-help books often get a bad rap for being cheesy and out-of-touch. But, it’s undeniable that personal reflection and growth are critical elements of living a happy and fulfilled life. So what should you read that might truly change the way you think about, experience, and behave in your life?

Below, you’ll find 9 of our favorite personal development books. Each author on this list has a very unique voice, but all of them have one thing in common: they are great at “real talk.” You won’t find a lot of bullshit advice among these pages, which is why we love them. Give one—or all—of them a read. They just might change your life.