The book "Observations of the last leaf. Seventy-five years of observations of people and events in America and Europe" by James Kendall Gosmer is a unique literary creation that offers the reader a deep and candid look at key historical events and personalities of two continents. In this book, the author shares his observations, gained over many years of research and observation, reflecting various spheres of life and society. Gosmer not only describes the events, but also reveals in-depth analyzes and reflections on their impact on world history and culture. He examines important issues of politics, social justice, art and culture, religion and science, trying to get to the heart of each topic. "Observation of the last leaf" is not only a report on the past, but also an invitation to travel through the shades of history and open new horizons of understanding the present. This book will interest those who are interested in the past, present and future, and who seek to expand their horizons.