Margaret Sidney (1844–1924) was the pen name of American author Harriett Mulford Stone Lothrop, best known for her beloved children’s series Five Little Peppers. Inspired by family life and small-town charm, she wrote stories full of warmth, sibling devotion, and everyday adventures that celebrate resilience, kindness, and imagination. Her timeless tales continue to enchant generations of readers, capturing the heart of childhood with humor, heart, and gentle life lessons.