Only Pack What You Can Carry: My Path to Inner Strength, Confidence, and True Self-Knowledge traces one woman’s path as she navigates life’s disappointments and even tragedies and comes to realize that there are four keys to self-knowledge—keys that anyone with determination can access. As Booth tells her own story, she weaves in the stories of others—from Churchill to Japanese poet Matsuo Basho to Girl Scout founder Juliette Gordon Lowe.