"Twenty Years at Hull-House" is a memoir that recounts the author's experiences co-founding and running a settlement house in a poverty-stricken, immigrant neighborhood in Chicago. The book details the struggles and triumphs of the community as they navigate social, economic, and cultural challenges, while also offering insight into the author's own evolution as a social reformer. Throughout, the author emphasizes the importance of empathy, understanding, and community engagement in addressing social inequality.

This book explores the political acumen of Abraham Lincoln, focusing on how he assembled his cabinet from political adversaries, many of whom initially dismissed him for his perceived lack of experience and ungainly appearance. The narrative delves into how Lincoln used his rivals' talents to navigate the tumultuous times of the Civil War, maintaining unity and leading the nation towards the abolition of slavery. It underscores Lincoln's extraordinary ability to turn rivals into allies, demonstrating his leadership and his profound impact on American history.

"Working" is a collection of over 100 interviews conducted with people from all walks of life about their jobs. The book provides a unique perspective on the daily grind, as it explores the experiences, thoughts, and feelings of individuals in various professions. The interviews reveal the mundane, the challenging, and the rewarding aspects of work, offering a deep understanding of the complexities of the working world. The subject matter ranges from blue-collar jobs to professional careers, giving voice to the often unheard stories of everyday workers.

The book in question is a pioneering work of investigative journalism and a searing indictment of lynching in the post-Civil War United States. The author, a prominent African American journalist and activist, meticulously documents the horrific practice of lynching, providing detailed accounts of specific incidents and statistical analysis to debunk the common justifications for such violence. The work exposes the systemic racism and injustice that African Americans faced, and it was instrumental in raising public awareness and galvanizing anti-lynching activism. The author's bravery in confronting this issue head-on, despite threats to her own life, underscores the book's importance as a historical document and a testament to the struggle for civil rights.

"Crisis of the House Divided" is an in-depth analysis of the debates between Abraham Lincoln and Stephen A. Douglas during the 1858 Illinois Senate race. The book examines the philosophical and moral conflicts embodied in the arguments of both figures, particularly focusing on issues of slavery and the nature of the Union. Through a detailed exploration of their speeches, the author argues that Lincoln's stance was not only a political strategy but also a profound moral vision, which laid the groundwork for his presidency and the future of American democracy. The work is celebrated for its rigorous scholarship and its contribution to the understanding of American political thought.