''Susan Cain's Bittersweet grabs you by the heart and doesn't let go. I've thought about the depth and beauty in Cain's research and storytelling every day since I finished the book. I will always be grateful for how much Quiet and Bittersweet have helped me understand myself and how I engage with the world.'' - Brené Brown, Ph.D., author of the #1 New York Times bestseller Atlas of the Heart

''A decade ago, I found myself inside Quiet. With Bittersweet, Susan Cain has described and validated my existence once again! Her new book reaffirms that my constant, achy awareness of life's brutiful is a way of being shared across the ages with artists, healers, and anyone who pays deep attention. I'll place Bittersweet in the hands of all my feely, achy, beautiful friends.'' - Glennon Doyle, author of the #1 New York Times bestseller Untamed and founder and president of Together Rising

''This is the rare book that doesn't just open your eyes - it touches your heart and sings to your soul. Susan Cain gave a voice to introverts, and now she masterfully paints our heaviest emotions in a light that's long overdue. Bittersweet is the perfect cure for toxic positivity and a sparkling ode to the beauty of the human condition.'' - Adam Grant, #1 New York Times bestselling author of Think Again

Named one of the top ten influencers in the world by LinkedIn, Susan Cain is a renowned speaker and author of the award-winning books Quiet Power, Quiet Journal, and Quiet: The Power of Introverts in a World That Can't Stop Talking. Translated into more than forty languages, Quiet has appeared on many best-of lists, spent more than seven years on the New York Times bestseller list, and was named the #1 best book of the year by Fast Company, which also named Cain one of its Most Creative People in Business. Her TED Talk on the power of introverts has been viewed over forty million times.