Group 1 - The core idea of the book "The Eunuchs of the Ottoman Empire: From African Slaves to Power Brokers" is the transformation of African eunuchs from slaves to significant figures in the Ottoman Empire's harem and political landscape, influencing governance and royal succession [2] - The book provides a comprehensive analysis of historical documents, including chronicles and contracts in Turkish and Arabic, to reveal the rise of the African eunuch community over three centuries [2] - It highlights the roles of these eunuchs in managing the harem, educating princes, and engaging in power struggles within the imperial court, showcasing their deep impact on the empire [2] Group 2 - "The Milk: From Local History to Global History" explores the journey of milk from ancient rituals to modern industrialization, emphasizing its cultural significance and role in shaping society [26] - The book discusses how milk has become an integral part of human civilization, symbolizing scientific progress and economic development, and is often regarded as "the perfect food" in modern nutrition [26] - It presents a narrative that intertwines food history with themes of desire, belief, and globalization, offering insights into the broader implications of milk in human culture [26]