"The Demon of Unrest" by Erik Larson is a non-fiction historical book published in 2024.

The book explores the events leading up to the American Civil War, focusing on the pivotal role of South Carolina and the mystery of how this state became the fulcrum for the nation's greatest tragedy.

The book delves into the political and social climate of the time, examining:

• The existential fear of the South's planter aristocracy regarding Lincoln's presidency.
• The impact of events like John Brown's raid and the publication of *Uncle Tom's Cabin*.
• The escalating tensions surrounding Fort Sumter in Charleston Harbor.

Larson uses vivid details and a narrative style to bring the historical figures and events to life. He draws upon a wide range of primary sources, including letters, telegrams, and diaries. The book examines the motivations and actions of key individuals, including James Hammond, a prominent Southern politician, Edmund Ruffin, a fiery secessionist, and President James Buchanan. Through their stories, Larson reveals the complex interplay of factors that led to the outbreak of the Civil War.