​Prep: A Novel by Curtis Sittenfeld
The Story of Ferdinand by Munro Leaf
​An Autobiography : The Story of My Experiences with Truth by Mahatma Gandhi 
The Ugly Duckling by Hans Christian Andersen
A Study in Scarlet by Sir Arthur Conan Doyle
Howards End by ​E. M. Forster
Jane Eyre by Charlotte Brontë
The Song of Achilles by Madeline Miller
Wuthering Heights by Emily Brontë
Meet the Austins by Madeleine L’Engle
ABOUT
Susan Horowitz Cain is an American writer and lecturer, and author of the 2012 non-fiction book Quiet: The Power of Introverts in a World That Can't Stop Talking, which argues that modern Western culture misunderstands and undervalues the traits and capabilities of introverted people. Wikipedia

​SOURCE
https://ideas.ted.com/books-worth-reading-this-holiday-recommended-by-bill-gates-susan-cain-and-more/
https://www.readitforward.com/essay/article/recommended-reading-from-susan-cain/
https://www.wisebooks.io/famous-authors-recommended-books/

IMAGE SOURCE
https://upload.wikimedia.org/wikipedia/commons/e/ef/Susan_Cain_%2834209865343%29.jpg (Source: cover image) 
https://upload.wikimedia.org/wikipedia/commons/6/61/SusanCainPortrait_250px_20120305.jpg (Source: profile image)