The Heart Is a Lonely Hunter by Carson McCullers

Set in a small Southern town, this poignant novel by Carson McCullers focuses on John Singer, a deaf-mute, and the unlikely friendships he forms. Singer becomes a confidant to a disparate group of townspeople who find solace in pouring out their innermost thoughts and feelings to him. Through their interactions, Singer profoundly impacts the lonely lives of those around him in this sensitive and moving story about human connection, compassion, and the struggle to overcome alienation.

This book is on Modern Library's list of the 100 Best Novels.