"The Address Book" is a book by Deirdre Mask that explores the significance of address systems throughout history. It examines how addresses shape our understanding of identity, community, and geography, revealing the hidden stories behind the places we live. The book takes readers on a journey across different cultures and time periods, highlighting the evolution of addressing from ancient civilizations to modern cities. It discusses the impact of addresses on social structures, urban planning, and even technology, emphasizing their role in connecting people and places in our daily lives.