The book "Spanish Explorers in the Southern United States, 1528-1543. The Narrative of Alvar Nuñez Cabeza de Vaca. The Narrative of the Expedition of Hernando de Soto in the Manuscript of Gentleman Elvas" is a historical book that tells about the travels and explorations of the Spanish in the southern regions of the United States of America in the 16th century. The authors of this outstanding work are Pedro de Castañeda de Najera, Knight of Elvas and Alvar Núñez Cabeza de Vaca. The book describes the fascinating journeys and adventures of the Spanish explorers who explored and studied the territories inhabited by Native American tribes. It contains carefully compiled narratives that reflect the difficulty and danger of the expeditions, as well as the interaction between Europeans and the local population. This book is a valuable resource for the study of the history of discovery and colonization of the Americas, helping to better understand the events that took place at the beginning of the era of great geographical discoveries. Revealing the details of the expeditions and vicissitudes of famous Spanish explorers, this book captures the imagination and inspires further study of the history and culture of ancient times.